GMC Terrain: Initial Drive Information / Mirror Adjustment

Passenger Sensing System

The passenger sensing system turns off the front outboard passenger frontal airbag under certain conditions. No other airbag is affected by the passenger sensing system...

Exterior

To adjust the mirrors: Press or to choose the driver or passenger mirror. Press the arrows on the control pad to move each mirror in the desired direction...

Other information:

GMC Terrain 2018-2026 Owners Manual: Instrument Panel Illumination Control

The brightness of the instrument cluster display, infotainment display and controls, steering wheel controls, and all other illuminated controls, as well as feature status indicators can be adjusted. The knob for this feature is on the instrument panel beside the steering column...

GMC Terrain 2018-2026 Owners Manual: Filling the DEF Tank

Caution Use only DEF that is GM approved, or fluid containing the API certified or ISO 22241 label. The use of other fluids could damage the system, requiring costly repairs that will not be covered by the vehicle warranty. Caution Do not mix fuel with DEF, and do not put DEF in the fuel tank...