Interior Lighting; Exterior Lighting - GMC 2018 Terrain Owner's Manual

16 In Brief

Interior Lighting

Dome Lamps
The dome lamp controls are in the
overhead console.
To operate, press the following
buttons:
OFF : 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.
ON/OFF : 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.
Press the lamp lenses to turn the
front reading lamps on or off.
Rear Reading Lamps
Press the lamp lens to turn the rear
passenger reading lamps on or off.
For more information on interior
lighting, see Instrument Panel
Illumination Control 0 142.

Exterior Lighting