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 2018-2025 Owners Manual: Security

If equipped, OnStar provides these services: With Stolen Vehicle Assistance, OnStar Advisors can use GPS to pinpoint the vehicle and help authorities quickly recover it. With Remote Ignition Block, if equipped, OnStar can block the engine from being restarted...

GMC Terrain 2018-2025 Owners Manual: Diesel

Warning Filling a portable fuel container while it is in the vehicle can cause fuel vapors that can ignite either by static electricity or other means. You or others could be badly burned and the vehicle could be damaged. Always: Use approved fuel containers...