Gmc sierra radio display not working

2015. If the touch screen is not working in Your 2015 GMC Sierra the first thing that You should do is try to reset the system. The most likely reason that it is not working is due to a software problem that has caused it to freeze over time. If resetting it does not work, or it is not turning on at all then You should check the fuse to the radio.

Gmc sierra radio display not working. Check if your vehicle has a signal connection - this can be done by tuning to Preview Channel 184 to confirm if you can hear audio. If you can hear audio, this establishes your radio has a connection to our satellite (s). If you are able to hear audio on the Preview Channel, we can send a signal request to your radio.

Buying a used GMC Sierra 1500 can be a great way to get the most value out of your purchase. The Sierra 1500 is a reliable and powerful truck that offers plenty of features and cap...

To play the infotainment system with the ignition off, see “Retained Accessory Power (RAP)” in the owner manual. Infotainment System. The infotainment system is controlled by using the infotainment display, buttons on the faceplate, steering wheel controls, and voice recognition. Radio with CD and Screen Storage. 1. Check the relevant fuses and fusible links before you condemn the radio. If the radio has both power and ground, then it probably has an internal fault. Pure coincidence. While a dead battery, or a jump start, can result in a car radio that doesn't work, it could also be a strange coincidence. If your radio doesn't have a car radio code for ...DIC not working. I've got an '05 Sierra with all the DIC and radio buttons on the steering wheel. The radio buttons work, as well as the Info and Select buttons (for cycling through headlight delay, key fob, etc. settings) But the fuel economy, tire pressure, etc. buttons do not work- the buttons with the road and gas pump icons.Jul 9, 2017 ... 2014 - 2017 Chevy Silverado and GMC Sierra AV Module with Smartphone Display. 65K views · 6 years ago ...more ...Is this a fuse problem and if so where is the fuse … read more. Raymond ASE. Diesel mechanic. Associates. 508 satisfied customers. Displays Locked, no displays. Touch Screen. 2015 GMC. Shut the car off and restarted, exited the car and waited for interior lights to go off. … read more. Frank@AutoPro.

Over the last week I have noticed the signal dropout on out XM radio. I initially thought it was cloudy weather but it is happening all of the time. So I just completed an extensive "Hard Boot" troubleshooting exercise with XM techs. The final analysis is that I have a radio defect and should take it into my dealer....which I will do. To play the infotainment system with the ignition off, see “Retained Accessory Power (RAP)” in the owner manual. Infotainment System. The infotainment system is controlled by using the infotainment display, buttons on the faceplate, steering wheel controls, and voice recognition. Radio with CD and Screen Storage. 1. 2023 GMS Sierra AT4 here - stereo cuts out randomly for 1/2 second, sometimes once in 10 min and other times 3-4 times. Dealership says I'm only one to ever complain - good to see others have issues, owned since January 9000kms, been in twice to complain, they 'update' and if anything its worse after second visit.Press and hold the home and fast-forward buttons for at least 10 seconds. Press the Onstar call button, and immediately hang up. Turn the vehicle off, and then turn it back on. While in "Park ...Radio/ navigation/ infotainment display completely blank#1 · Sep 26, 2022 (Edited) I have a Delphi OEM radio in a 2005 GMC Sierra. They are used in a number of vehicles. I had a few bulbs out on the radio buttons, and went to …

Bulletin No.: 20-NA-235. Some customers or dealers may comment of ghost or phantom touch where random touch inputs occur with the radio display; and/or the radio display is non-responsive to touch immediately after having cleaned, wiped, or disinfected the radio display. Either condition will last the entire ignition cycle. Press and hold the home and fast-forward buttons for at least 10 seconds. Press the Onstar call button, and immediately hang up. Turn the vehicle off, and then …Go through the infotainment menus and see if you can find out more about it. Start with the NAV-specific settings. Also, press on the "no GPS" icon and see if there's any message or setting there you can change. 2020 Cadillac XT5 Sport, Shadow Metallic outside, Cirrus/Jet Black inside, more 'tech toys' than I'll ever use.Factory stereo display, half not lit up. ... you need to have it programmed by the dealer to work in your truck. 2016 Silverado LT 4x4 Crew Cab 2017 Suburban LT 2018 BMW K1600GTL. Save Share. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance ...Troubleshooting Chevy Silverado Backup Camera Problems. All of these problems can cause the backup camera to stop working on your Silverado. Bad Shifter Alignment - This is a really easy one to check. Have somebody stand behind your Silverado, and put it in reverse. Have them tell you if the back up lights come on.2015 Silverado 1500 GPS/Onstar not working. ... – Inaccurate GPS location on the Navigation Radio Display The issue will usually be accompanied by a DTC (B2462-02, B2462-04, B2470-02, B2470-04, B125C-01, B125C-02, or B125C-04 ). ... 2021 GMC Sierra Denali 6.2L Ultimate 4wd 2022 Polaris RZR XP 1000 Ride Command 2017 John …

Drift kart frame kit.

djentlemanjoe. 2021 posts · Joined 2013. #2 · Aug 25, 2015. check the radio, radio amp, info and other dash related fuses in the fuse box under the hood. If you have the bose system or steering controls you need a special harness to get it to work. I tried this with my truck and got the new head unit to power on but it wouldn't play anything ...Yesterday I was driving my 1500 Silverado and the radio screen went black, Screen is still backlit but there is no functionality or picture of any kind. However, the backup camera works perfectly fine and displays on the screen. Before the screen went blank the radio sound would cut out and the display would freeze, now when I open the door ...The swap was fine. Nothing abnormal about it. But when I went to drive the truck the radio didn't work. The screen doesn't come on. The buttons don't light up when I turn on the headlights. The buttons DO come on for 4-5 seconds when I hit the power button. Also, the display does function when pressing the CD buttons:Answered. I have a 2008 Chevy 1500 with radio speaker problems. The drivers door speaker was the first speaker to quit working about 1 year ago. Last week the 2 speakers on the passenger side quit. Could not use my OnStar navigation due to the inability to hear what the OnStar Rep was saying. Took Truck to Dealer and they checked it and said I ...69 posts · Joined 2014. #3 · Jun 7, 2015. I had the same issue with my 2014 Sierra. Except on mine it overlayed all the screens on to one screen. So on mine you would have it on radio, and all the other screens would show up on it. I took it they updated it and all is good now. You may want to have them check your voltage though.

Review this quick reference guide for an overview of some important features in your GMC Sierra 1500. Some equipment described in this guide may not be included in your vehicle. Contact your dealer for details on a specific vehicle. All information contained in this guide is based on the latest information available at the time of printing andWarranty Claim Code Information Retrieval. If the Warranty Claim Code was not recorded on the Job Card, the code can be retrieved in the SPS2 system as follows: Open TLC on the computer used to program the vehicle. Select and start SPS2. Select Settings (1). Select the Warranty Claim Code tab (2). The VIN, Warranty Claim Code and Date/Time will ...Edit for videos: #1: Truck shutting off, in reverse going ~1mph, steering wheel jerking around. #2: Cabin lights flickering after shutdown, truck refusing to start, almost as if the battery had a bad connection (yes have checked this). #3: Cruise control shutting off when turn signal applied: See more. Like.1 post · Joined 2021. #1 · Jul 22, 2021. I have a 2016 Chevy Silverado with a NG 2.5 HMI Module. Upon starting my car, my radio will turn on as normal. After 20 seconds, the power will flash to my radio, infotainment, and usbs. This causes the infotainment to restart. It continuously happens like this for 5-10 minutes before completely ...2023 GMS Sierra AT4 here - stereo cuts out randomly for 1/2 second, sometimes once in 10 min and other times 3-4 times. Dealership says I'm only one to ever complain - good to see others have issues, owned since January 9000kms, been in twice to complain, they 'update' and if anything its worse after second visit.Sep 29, 2023 ... I have a 2015 GMC Denali 2500 and I bought this over the summer. Looks great but is a wee bit buggy. Customer service is helpful and they ...The weight of a standard GMC Sierra 1500 pickup truck with a 4.3 liter V6 Vortec engine is about 4,460 pounds, according to the GMC website. There are a lot of variables that can a...Put the key in and either turn it to ACC or turn it completely ON. Give it enough time for the infotainment system to boot (even if it's a blank screen and it's broken) Turn the car off and remove the key. Open the driver's side door. Leave the door open for 2+ minutes.Onlyina_Chevy. Well, if you are going to take it all apart anyway, just swap the front speaker wires (left to right and vice versa) from the back of the stereo and/or amp and see if the speakers work. If they don't, then it is something between the connection to the speakers or the speakers. However, if the right speaker doesn't work and the ...CIC (2010-2015) Press and hold the audio volume knob for 25 seconds. iDrive 4 (2014-2017) Hold down the iDrive knob, then press the CD/DVD eject button and audio system power button for about a ...I got no display on radio and no sound. At night all the buttons light up but no sound. door chimes also dont work. Blinkers are silent. i just got the truck. Seller told me radio didnt work. i checked all fuses under hood. i did notice i could hear slight noise from the tiny speaker by my head on left side of ceiling.

Only select vehicles and select iPhones offer this option. If your vehicle does offer this option, work through these steps to enable a wireless connection with Apple CarPlay: 1. Pair/connect your phone to the infotainment system using Bluetooth®.†. 2. Follow the prompts on the screen and on your Iphone to start a wireless Apple CarPlay session.

This service update includes vehicles in dealership inventory and customer-owned vehicles that may return to the dealership for any reason. Contacts: GM recall number: N212327470. Buick Customer ...69 posts · Joined 2014. #3 · Jun 7, 2015. I had the same issue with my 2014 Sierra. Except on mine it overlayed all the screens on to one screen. So on mine you would have it on radio, and all the other screens would show up on it. I took it they updated it and all is good now. You may want to have them check your voltage though.Many GMC Sierra owners face an unusual problem. After they turn off the truck and open the door, their radio stays on. This is a problem no one wants to have. For one, a radio that won't turn off will drain the battery. If you're a GMC Sierra owner who has this same issue, this guide can help. We'll go over the most common causes of this issue and how to troubleshoot each one. 1. Bad ...3 posts · Joined 2021. #1 · Sep 12, 2021. Hey all! Chris here first time posting. Been driving me nuts . 2016 Sierra my radio been glitching for a few months . Pretty much doing what it wants and everytime it happens especially on the phone and cuts off calls I want to punch the display screen so I’ll try here first and see what you guys ...Press and hold the button for about a second until you hear a beep. Press the button once so "no" is selected. The numbers will flash, and then all of them will reset to zero. If pressing the button doesn't work, you can remove the instrument cluster and press it against something metal to reset it.Outside temp sensor is on the hood latch support in front of raditor about dead center. If you have a plow on the front it will disrupt the air flow and likely cause the temp to rise. 2013 Silverado 1500 LT, Z71, 5.3L, 6L80e, 4X4, HD Towing pkg. If you can't fix it with a hammer, it is an electrical problem. N.Only select vehicles and select iPhones offer this option. If your vehicle does offer this option, work through these steps to enable a wireless connection with Apple CarPlay: 1. Pair/connect your phone to the infotainment system using Bluetooth®.†. 2. Follow the prompts on the screen and on your Iphone to start a wireless Apple CarPlay session.To get it to work again I usually have to shut the truck off once or twice before the radio will recognize the USB again. If it starts happening more frequently I'm gonna yank the factory HU and replace it. HU- Excelon DDX594, Ft & Rr Spkr- Morel Hybrid 602 (no rear tweets), Ft. Amp- Polk D2000.2, Rr.stereo broke power windows stopped working dome light comes on engine complaint electrical issue heater complaint transmission complaint paint defect Silverado 1500 recall. Maximize. The 2019 ...

Historical weather jacksonville fl.

Where does sssniperwolf lives.

Step 2: Disconnect the Car Battery. One of the most effective ways to reset the radio is by disconnecting the car's battery. Follow these steps to safely disconnect the battery: Open the hood of the car and locate the battery. Use a wrench to loosen the nut or bolt that secures the negative (-) terminal of the battery.Watch on. One of the most common reasons why a Chevy Silverado radio display fails to work is because of the bad fuse. You can also say a bad wiring connection leads to defaults like a bad fuse and malfunctioning of the radio display. The same situation was found in the case of a 2007 Chevy Silverado radio display not working …GM said Wednesday that it will postpone its upcoming reveal of a GMC-branded electric Hummer due to the COVID-19 pandemic. The Hummer EV debut, which was scheduled to occur May 20,...Jun 25, 2021 · GM Service Update number: N212316020. Buick Customer Service: 1-800-521-7300. Cadillac Customer Service: 1-877-248-2080. Chevrolet Customer Service: 1-800-222-1020. GMC Customer Service: 1-800-462 ... The GMC Sierra is a popular choice among truck enthusiasts for its performance, durability, and stylish design. One aspect that sets the Sierra apart from other trucks on the marke...346 posts · Joined 2012. #2 · Aug 23, 2013. I have the same issue. But mine would go out while driving. Radio would still play but no lights or lights in my instrument cluster. If I hit the top of the dash above the radio it would come back on. Then lately my oil pressure gauge starting freaking out in my cluster.GMC is continuing to enhance the in-vehicle experience for drivers with available Google built-in†, a new feature added to the GMC Infotainment System† for the 2022 GMC HUMMER EV Pickup, 2022 GMC Yukon and Yukon XL, and select trim levels of the new 2022 GMC Sierra 1500. With Google Assistant† , Google Maps†, and Google Play†, …Step 2 – Diagnose the cause of the cluster problem. If you find a needle on your cluster is not functioning normally, there could be several problems. The cluster may contain the problem—or in the case of the gauges' monitoring engine related functions—of a defective sensor or wiring. The best way to go about this type of problem is to ...GMC Sierra 2017 2018 Sierra Limited 2019 2019 Sierra 2500HD/ 3500HD 2019 2019 Yukon 2017 2020 Involved Region or Country North America, Uzbekistan, Russia, Middle East, Israel, Palestine, Chile, Columbia, ... • Radio display blank • Steering Wheel Controls (SWC) not illuminated ….

GMC Acadia 2020 2020 Sierra 1500 Sierra 2500HD/ 3500HD Involved Region or Country North America, Europe, Russia, Middle East, Israel, Palestine, Brazil, Chile, Colombia, ... radio display the display goes blank and pressing the Home key returns the display to the Home page Phone • OnStar TTY keyboard disappears when vehicle2012 GMC SIERRA. 6.0L. V8. 2WD. AUTOMATIC. 70,000 MILES. The radio quit working. There is no time display or station display. I checked the fuse (#42) and all accompanying fuses.3. Sign in to My Account. 4. Select the Plans & Services tab. a. In the desktop view, the Plans & Services tab will appear on the left side of the screen. b. In the mobile view, the Plans & Services tab will appear along the top of the screen. You may have to scroll left or right to see it.K. korman Discussion starter. 17 posts · Joined 2011. #1 · Jun 5, 2011. There are 2 intermittent problems on my new 2011 Silverado 1500 LT radio system: when I listen to people on radio, I hear scratches and the voice is sometimes distorted. My GM Chevrolet Dealer says this is normal as he hears the same on a similar new truck in his lot.Exfat will not work and has replaced FAT32 to handle large capacity disks. ETA: I am using a USB 3.0 64GB SanDisk Micro Thumb Drive. With NTFS - not a single issue. 2021 GMC Sierra 3500 AT4HD. ... They are all formatted the same and work in other devices as well as my previous 2015 GMC. This IS NOT a memory stick problem, but rather a GM ...This 2000 GMC Sierra 1500 speaker wiring chart shows you every speaker wire color and the speaker wire location. Use this 2000 GMC Sierra 1500 speaker wiring guide to help you with a speaker replacement or speaker upgrade. If the car speaker wiring information you're searching for is not listed, please don't hesitate to ask for it at the ...There was no mention of the upcoming macOS Sierra at today’s Apple event, but rest assured, it’s on the way. The latest version of Apple’s desktop operating system will arrive on S...Explore GMC's innovative safety & driver assistance technology for your own Truck, ... HD Surround Vision uses multiple cameras to display a digital overhead image of the area around your vehicle along with Rear Vision Camera or front views. It works at low speeds and may help you park and avoid nearby objects. ... 2024 SIERRA 1500 COMPARE ...Starting with the basics, make sure that the back lighting dimmer switch is not turned down. If that is ok then you can pull the RDO fuse 42 in the under hood fuse block for 10 seconds and put it back in and see if that helps. If none of these steps help, the radio display is bad. You can pick up one, CLICK HERE for the site, that will be a ... Gmc sierra radio display not working, Step 2 Starting the self test inputs. Insert the ignition key into the ignition lock. Leave it in the 0 or I position. Push and hold the Sel/Reset knob (on the instrument panel by the fuel gauge), or the Sel/reset button on the right hand of the steering wheel below the Multi-Information Display Info button., stereo broke power windows stopped working dome light comes on engine complaint electrical issue heater complaint transmission complaint paint defect Sierra 1500 recall. Maximize. The 2015 GMC ..., 2003 chevy rear view mirror compass/temp fix Hey guys, If youre like me then youre frustrated that your mirror quit working however many years ago. Well today I fixed mine. If your problem is that the power light on your mirror is on but that your temp/compass LCD is not (or has been intermittent for awhile but works with smacking and is now …, 51 posts · Joined 2013. #1 · Jun 29, 2013. I recently purchased a 2014 GMC Sierra with navigation and intelli-link. Through my purchase process I test drove the 2014 Silverado as well and while driving it noticed that the radio home screens are customization in terms of icon order and layout as well as themes. My GMC does not have this feature., The radio, both audio and video display, cuts in and out and eventually cuts off all together. When I restart the truck it turns back on but repeats the issues until it cuts off completely again. I have tried swapping fuses, pulled the display off and re seeded connections as well as pulled the glovebox and reseeded the connections on the ..., Apr 8, 2014 · I have the small (not the 8 inch) display screen for my radio. The radio will display the time in a large sized format when the radio is turned off. But turn on the radio and the station frequency is displayed in a large format. The time is shown in the upper right of the display in a tiny format that you cant read from the driver seat. I would ... , Transmission temperature display not available. I have a 2014 Sierra SLT Z71 5.3 with the 6L80 6speed. I've been trying to figure a way to display the transmission temperature but to no avail. According to searches, I should go to "options" on the DIC. However, my display does not have an "options " entry., Make sure the SiriusXM antenna cable is firmly and securely plugged into the cradle. Make sure the SiriusXM antenna cable is not bent or broken. Turn your SiriusXM radio off, then on, to reset this message. If using a Dock & Play or Portable Radio, remove the Radio from its docking cradle and then reinstall to attempt to reset this message., 2015 GMC Sierra 1500 Truck - IntelliLink Screen problems. ... - Select "Display" from the settingsmenu.- Select "Calibrate Touch Screen."- Follow the prompts to calibrateyour touchscreen. 2022 Gmc Infotainment System Problems . ... Gmc Yukon Touch Screen Not Working ., 1 Solution. 09-10-2021 10:24 AM. Hi @Batman7563! The Pandora integrated app in your GM vehicle is powered by a Wi-Fi Hotspot built into the car. You'll want to be sure that this hotspot plan includes streaming abilities. I believe this is called the 'App Access plan', however, I would reach out to the dealership directly for more information ..., 18 posts · Joined 2020. #32 · Dec 10, 2020. I've finally gotten mine fixed. After several reprogramming attempts and software upgrades, wiring harness cleanings, ground wire checks, 2 new radios and one new touch screen, it wasn't actually either, It was called a Low voltage cable., 2015. If the touch screen is not working in Your 2015 GMC Sierra the first thing that You should do is try to reset the system. The most likely reason that it is not working is due to a software problem that has caused it to freeze over time. If resetting it does not work, or it is not turning on at all then You should check the fuse to the radio., I got no display on radio and no sound. At night all the buttons light up but no sound. door chimes also dont work. Blinkers are silent. i just got the truck. Seller told me radio didnt work. i checked all fuses under hood. i did notice i could hear slight noise from the tiny speaker by my head on left side of ceiling., Remove your plastic around the touch screen, just snaps out, remove the 4 screws that hold the touch screen in. There are 4 flat white ribbon cables and black connectors you will see. You need to disconnect them and reconnect because these kind of cables are famous for loose connection., When the radio is on, the time is displayed in the right corner. I disconnected the batteries to work on the front airbag sensor. After I was done, I reconnected the batteries and noticed that the clock on the screen does not display. When I try to set the time, nothing shows up. Everything was working before I disconnected the batteries., Mylink/Intellilink (2014-2016) Press and hold the home and fast-forward buttons for at least 10 seconds. GM Infotainment (2017-2019) Press the Onstar call button, and immediately hang up. GM ..., GMC Sierra AC Controls No Display. See https://CarStereoHELP.com with MAKE and MODEL for MORE... How to remove car radios, amplifier and speakers., Reason 1: Frozen Radio Screen. A frozen radio screen is a common culprit behind a black display. This can occur due to software glitches or system errors. When the screen freezes, it may become unresponsive, leading to a black display. The solution to this problem is relatively simple: reboot the system., kizwiki January 29, 2011, 6:46am 10. No, you should pull the fuse for the stereo per the previous instruction, charge the battery, preferably with a low amp charger overnight, start the car in the morning and see if the battery light on your dashboard is lit. If it is not, you should run the car in the driveway with every appliance and light ..., Radio Display is annoying. ... then we had the radio replaced due to the CD player not working anymore and now it defaults to the screen showing channel options. She was not happy at all. ... A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. Come join the discussion about performance, modifications ..., The "Service TPMS" and the keyfob quit working at the same time. Codes were pulled from the BCM indicating voltage to ground, keyless entry inoperative. Searching the codes on Google yielded only partial answer. Once I started searching the TPMS problem, I came across some answer.. The module is the same for all GM cars., 2015 GMC Sierra 1500 Truck - IntelliLink Screen problems. ... - Select "Display" from the settingsmenu.- Select "Calibrate Touch Screen."- Follow the prompts to calibrateyour touchscreen. 2022 Gmc Infotainment System Problems . ... Gmc Yukon Touch Screen Not Working ., Technical Service Bulletin: #20-NA-221 Release Date: 12/14/2020. Last month we published an article regarding Technical Document #PIT5793, which described a condition where some 2021 Silverado and Sierra owners began to have issues accessing the app shop and other features on the infotainment systems.At the time GM engineering …, Put the key in and either turn it to ACC or turn it completely ON. Give it enough time for the infotainment system to boot (even if it's a blank screen and it's broken) Turn the car off and remove the key. Open the driver's side door. Leave the door open for 2+ minutes., 346 posts · Joined 2012. #2 · Aug 23, 2013. I have the same issue. But mine would go out while driving. Radio would still play but no lights or lights in my instrument cluster. If I hit the top of the dash above the radio it would come back on. Then lately my oil pressure gauge starting freaking out in my cluster., Tech2 won't communicate with ECM, TCM, EBCM, TCCM, IPC. The truck stays running until you shut it off, then it won't start. Once it sits for a while, everything will work again, and the tech 2 will communicate. No codes other than "loss of communciation with **CM" codes in each module. When the truck is acting up, and the gauges are at "rest ..., , To play the infotainment system with the ignition off, see "Retained Accessory Power (RAP)" in the owner manual. Infotainment System. The infotainment system is controlled by using the infotainment display, buttons on the faceplate, steering wheel controls, and voice recognition. Radio with CD and Screen Storage. 1., 103 posts · Joined 2017. #1 · May 25, 2019 (Edited by Moderator) During a long trip this week, we listened to an audiobook for a number of hours. After a fuel stop, as I turned the book back on, my audio volume stuck at about 25%. I switched to other sources to check but it was stuck on all. There is a sliding scale that appears on the left ..., The most common reasons a GMC Sierra 1500 speedometer isn't working are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue. 0 %. 35 % of the time it's the. Vehicle Speed Sensor (VSS) 0 %. 28 % of the time it's the. Speedometer. 0 %. 23 % of the time it's the., If the Warranty Claim Code was not recorded on the Job Card, the code can be retrieved in the SPS2 system as follows: Open TLC on the computer used to program the vehicle. Select and start SPS2. Select Settings (1). Select the Warranty Claim Code tab (2). The VIN, Warranty Claim Code and Date/Time will be listed on a roster of recent ..., Clock stopped working! Will not display time. ... When the radio is off, the time would show up in the center of the screen. When the radio is on, the time is displayed in the right corner. ... 2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71, DIY stock airbox mod, aFe ProGuard 7, OEM drop-in, ECM and Trans tuning, AD 100 4G ..., Jul 13, 2015 · Step 1 – Perform an instrument cluster test. This test will verify what on the cluster is working and what is not. Simply turn the key to the "on" position and watch for all the warning lights to illuminate. Some Silverados may perform a "needle sweep," which moves all the gauge needles from right to the left.