GMC Terrain: Interior Lighting / Dome Lamps
GMC Terrain 2018-2021 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 2018-2021 Owners Manual: Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. Passenger (P-Metric) Tire : The United States version of a metric tire sizing system. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U...
GMC Terrain 2018-2021 Owners Manual: Lighting Conditions Affecting ACC
The ACC front camera can be affected by poor lighting conditions, and ACC may have limited performance when: There are changes in brightness, such as entering and exiting tunnels, bridges, and overpasses. Low sun angles cause the camera to not detect objects, or it is more difficult to detect objects in the same traffic lane...
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