GMC Terrain: Automatic Headlamp System - Exterior Lighting - Lighting - GMC Terrain Owner's ManualGMC Terrain: Automatic Headlamp System

When it is dark enough outside, the headlamps come on automatically.

Do not cover the light sensor on top of the instrument panel or the headlamps

Do not cover the light sensor on top of the instrument panel or the headlamps will come on when they are not needed.

The system may also turn on the headlamps when driving through a parking garage or tunnel.

    Daytime Running Lamps (DRL)
    Daytime Running Lamps (DRL) system makes the low-beam headlamps come on at a reduced brightness in daylight when the following conditions are met: ○ The ignition is on. ○ The exterior ...

    Hazard Warning Flashers
    (Hazard Warning Flasher): Press this button, on the center of the instrument panel, to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. ...

    See also:

    Rear Window Defroster and Outside Rearview Mirrors Defroster (if equipped) Switch
    Rear Window Defroster and Outside Rearview Mirrors Defroster (if equipped) Switch When the rear window is fogged, push this switch to clear the window. If the outside rearview mirror has the ma ...

    Precautions on seat belt usage
    If you are wearing your seat belt properly adjusted, and you are sitting upright and well back in your seat with both feet on the floor, your chances of being injured or killed in an accident ...

    Audio System
    When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the VOL/ knob during a call to change the volume level. The a ...