GMC Terrain: Interior Lighting / 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.
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...
Other information:
GMC Terrain 2018-2025 Owners Manual: Turning the Features On or Off
The button on the center console is used to turn on or off the Front and Rear Park Assist and the Rear Cross Traffic Alert (RCTA). The indicator light in the button comes on when the features are on and turns off when the features have been disabled. Turn off Park Assist and RCTA when towing a trailer. RCTA can be turned off through “Collision/Detection Systems” under Vehicle Person..
GMC Terrain 2018-2025 Owners Manual: Lane Keep Assist (LKA) and Lane Change Alert (LCA)
Lane Keep Assist If equipped, LKA may help avoid crashes due to unintentional lane departures. It may assist by gently turning the steering wheel if the vehicle approaches a detected lane marking without using a turn signal in that direction. It may also provide a Lane Departure Warning (LDW) alert as the lane marking is crossed. The system will not assist or alert if it detects that you..
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