GMC Terrain: Initial Drive Information / Steering Wheel 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...

Interior Lighting

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Other information:

GMC Terrain 2018-2024 Owners Manual: Diesel Particulate Filter

The Diesel Particulate Filter (DPF) system filters soot particles out of the exhaust gases. The DPF is under the vehicle in the exhaust system. Depending on a number of factors monitored by the engine computer, the DPF will need to be cleaned of accumulated solids. When a cleaning is needed, the engine computer will initiate a self-cleaning function that runs automatically during drivin..

GMC Terrain 2018-2024 Owners Manual: Automatic Headlamp System

When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor on top of the instrument panel. Do not cover the sensor; otherwise the headlamps will come on when they are not needed. The system may also turn on the headlamps when driving through a parking garage or tunnel. When it is bright enough outside, the he..