GMC Terrain: Interior Lighting / Courtesy Lamps and Dome Lamps
Courtesy Lamps
The courtesy lamps come on when
any door is opened and the 
OFF
indicator light is turned off. See
Dome Lamps.
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.
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...
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: Infotainment System
Infotainment See the infotainment manual for information on the radio, audio players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Active Noise Cancellation (ANC) If equipped, ANC reduces engine noise in the vehicle’s interior...
GMC Terrain 2018-2026 Owners Manual: Airbag Readiness Light
This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), the passenger sensing system, the pretensioners, the airbag modules, the wiring, and the crash sensing and diagnostic module...
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Categories
Vehicle Personalization
The following are all possible vehicle personalization features. Depending on the vehicle, some may not be available.
For System, Apps, and Personal features and functions, see “Settings” in the infotainment manual.
To access the vehicle personalization menu:
Touch the Settings icon on the Home Page of the infotainment display. Touch Vehicle to display a list of available options. Touch to select the desired feature setting. Touch
or R to turn a
feature
off or on.
Touch 
to go to the top
level
of the Settings menu.
