GMC Terrain: Interior Lighting / Dome Lamps
GMC Terrain 2018-2026 Owners Manual / In Brief / Initial Drive Information / Interior Lighting / Dome Lamps
The dome lamp controls are in the overhead console.
To operate, press the following buttons:
: Press to turn off the
dome lamps when a door is open.
An indicator light on the button will
turn on when the dome lamp
override is activated. Press 
OFF
again to deactivate this feature and the indicator light will turn off.
The dome lamps will come on when
doors are opened.
: Press to turn the dome
lamps on manually.
Reading Lamps
There are reading lamps on the
overhead console and over the rear
passenger doors. These lamps
come on when any door is opened.
Front Reading Lamps
The front reading lamps are in the
overhead console...
Other information:
GMC Terrain 2018-2026 Owners Manual: Electric Parking Brake
The vehicle has an Electric Parking Brake (EPB). The EPB can always be activated, even if the ignition is off. To prevent draining the battery, avoid repeated cycles of the EPB system when the engine is not running. The system has a or PARK Electric Parking Brake light, and a Service Parking Brake light or Service Parking Brake message...
GMC Terrain 2018-2026 Owners Manual: Tow/Haul Mode
For information on the Tow/Haul Mode, see Driver Mode Control. Automatic Engine Grade Braking Automatic Engine Grade Braking assists when driving downhill. It maintains vehicle speed by automatically implementing a shift pattern that uses the engine and the transmission to slow the vehicle...
Copyright © 2026 www.gmcterrain2.com