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In 2012 GMC Terrain, there are reported problems with the radio such as sudden turn-ons or hearing static noises. These issues can be related to either the speakers of the stereo system or a phone connected to the vehicle. Addressing these problems promptly is essential. If the problems stem from the stereo's speakers, you may experience issues like static sounds, unexpected shutdowns, loose wiring, or a blown fuse. On the other hand, if the source of trouble is the phone, it could be because the software is not updating correctly, the device is not syncing with the vehicle, the phone battery is low, or there is interference with the signal.
Failure to reprogram is a issue with the radio on the 2012 GMC Terrain.