GMC Terrain: Mirror Adjustment / Interior
Adjustment
Adjust the rearview mirror to clearly view the area behind the vehicle.
Manual Rearview Mirror
For vehicles with a manual rearview mirror, push the tab forward for daytime use and pull it rearward for nighttime use to avoid the glare of the headlamps from behind. See Manual Rearview Mirror.
Automatic Dimming Rearview Mirror
Vehicles with an automatic dimming inside rearview mirror automatically reduce the glare of the headlamps from behind. The dimming feature comes on when the vehicle is started. See Automatic Dimming Rearview Mirror.
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...
Steering Wheel Adjustment
To adjust the steering wheel:
Pull the lever down.
Move the steering wheel up
or down.
Pull or push the steering wheel
closer or away from you...
Other information:
GMC Terrain 2018-2026 Owners Manual: 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. See Passenger Sensing System. The passenger airbag status indicator will light on the overhead console when the vehicle is started...
GMC Terrain 2018-2026 Owners Manual: Lane Keep Assist (LKA) and Lane Change Alert (LCA)
Lane Keep Assist If equipped, LKA may help avoid crashes due to unintentional lane departures. It may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking without using a turn signal in that direction. It may also provide a Lane Departure Warning (LDW) alert as the lane marking is crossed...
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