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: Service Emission System
If a problem occurs with the vehicle emission system, the DIC message SERVICE EMISSION SYSTEM - SEE OWNERS MANUAL NOW – 282 KM (175 MI) UNTIL 104 KM/H (65 MPH) MAX SPEED displays. The displayed mileage will decrease as driving continues. In some cases this message will clear itself, indicating that the emission system was able to correct the condition...
GMC Terrain 2018-2026 Owners Manual: If the Off Indicator Is Lit for an Adult-Sized Occupant
If a person of adult size is sitting in the front outboard passenger seat, but the OFF indicator is lit, it could be because that person is not sitting properly in the seat or that the child restraint locking feature is engaged. Use the following steps to allow the system to detect that person and enable the front outboard passenger frontal airbag: Turn the vehicle off...
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