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.

GMC Terrain. Reading Lamps

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.

GMC Terrain. Reading Lamps

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...

    Lighting Features

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    Other information:

    GMC Terrain 2018-2026 Owners Manual: Engine Power Messages and Vehicle Speed Messages


    Engine Power Messages ENGINE POWER IS REDUCED This message displays when the vehicle's propulsion power is reduced. Reduced propulsion power can affect the vehicle's ability to accelerate. If this message is on, but there is no observed reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven while..

    GMC Terrain 2018-2026 Owners Manual: (TCS) / (ESC). Turning the Systems Off and On (Base Level DIC)


    Caution Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle driveline could be damaged. At speeds of 56 km/h (35 mph) or above, this ability to turn off or on is disabled. TCS and StabiliTrak/ESC can be turned off or on using the DIC controls as follows: Press or to select VEHICLE menu, then use or to scroll through the menu items to select TCS/StabiliTrak/ESC..

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