GMC Terrain: Setting Adaptive Cruise Control / Erasing Speed Memory

Disengaging ACC

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Weather Conditions Affecting ACC

If the interior temperature is extremely high, the instrument cluster may indicate that ACC is temporarily unavailable. This can be caused by extreme hot weather conditions with direct sunlight on the front camera...

Other information:

GMC Terrain 2018-2023 Owners Manual: Passenger Airbag Status Indicator

The vehicle has a passenger sensing system. See Passenger Sensing System for important safety information. The overhead console has a passenger airbag status indicator. When the vehicle is started, the passenger airbag status indicator will light ON and OFF for several seconds as a system check...

GMC Terrain 2018-2023 Owners Manual: Tire Pressure Monitor

This vehicle may have a Tire Pressure Monitor System (TPMS). The low tire pressure warning light alerts to a significant loss in pressure of one of the vehicle's tires. If the warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the Tire and Loading Information label...