Here are a few ways to reboot the infotainment system on a GMC vehicle:
1. Press and hold the power button on the infotainment screen for about 10 seconds until the screen turns off, then turns back on. This is usually the easiest and fastest method.
2. Turn off the vehicle ignition and wait 30 seconds. Then start the vehicle again. This will cause the infotainment system to restart.
3. Press and hold the "Setup" and "Hang Up" buttons on the steering wheel simultaneously for 10 seconds. This will force a reboot of the system.
4. Consult your owner's manual for any vehicle-specific reboot procedures. Some GMC models may have a dedicated "RESET" or "REBOOT" button you can press. The manual will provide exact instructions.
Rebooting should clear up any software glitches, freezes or other issues with the infotainment display temporarily. If problems persist, you may need to take the vehicle to a dealer for further diagnostics and repairs.
Related tutorial videos:
How to reset your 2018 Chevrolet MyLink Radio by Johnny Albomonte.
How to hard reset radio on 2015 and up GM models with My Link radio
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