GMC Terrain: Lighting / Interior Lighting

Fog Lamps

The fog lamps button is on the instrument panel beside the steering wheel. To turn on the fog lamps, the ignition and the headlamps or parking lamps must be on...

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...

Other information:

GMC Terrain 2018-2022 Owners Manual: Replacing Seat Belt System Parts after a Crash

Warning A crash can damage the seat belt system in the vehicle. A damaged seat belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure the seat belt systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible...

GMC Terrain 2018-2022 Owners Manual: Seat Belt Use During Pregnancy

Seat belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they do not wear seat belts. A pregnant woman should wear a lap-shoulder belt, and the lap portion should be worn as low as possible, below the rounding, throughout the pregnancy...