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: Liftgate
Warning Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled...
GMC Terrain 2018-2026 Owners Manual: Reducing Speed While Using Cruise Control
If the cruise control system is already activated: Press and hold –SET until the desired lower speed is reached, then release it. To slow down in small increments, briefly press –SET. For each press, the vehicle goes about 1 km/h (1 mph) slower...
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