Table 1 shows five common electrical system related problems of the 2018 GMC Terrain. The number one most common problem is related to the electrical system (31 problems). The second most common problem is related to the car will not accelerate (two problems).
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems | |
| Car Will Not Accelerate problems | |
| Wiring problems | |
| Adas Blindspot Sensors problems | |
| Horn problems |
The infotainment system will just randomly start going haywire and when it happens, you cannot use the touchscreen. It will try to randomly delete app icons such as the camera, it will try to delete connected phones, it will try to delete radio favorites and it will move app icons all around. Read details...
Radio plays random radio stations and will not allow radio to be turned off when vehicle is turned off ( no power to the vehicle, doors are opened and the fob is over 500 ft away). Radio screen flashes to a blank screen. Does not read contact information for cellphone connected to vehicle. Read details...
Wiring harness not weather sealed n shorted out after dealer washed car on delivery Read details...