GMC Terrain: Exterior Lighting / Daytime Running Lamps (DRL)

DRL can make it easier for others to see the front of your vehicle during the day. Fully functional DRL are required on all vehicles first sold in Canada.

The DRL system comes on in daylight when the following conditions are met:

  • The ignition is on.
  • The exterior lamp control is in AUTO.
  • The vehicle is not in P (Park).
  • The light sensor determines it is daytime.

When the DRL are on, the taillamps, sidemarker lamps, instrument panel lights, and other lamps will not be on. The instrument cluster will be lit.

The DRL turn off when the headlamps are turned to GMC Terrain. Daytime Running Lamps (DRL) or the ignition is off. For vehicles first sold in Canada, the DRL can only be turned off when the vehicle is parked.

The regular headlamp system should be turned on when needed.

    Headlamp High/Low-Beam Changer anf Flash-to-Pass

    Headlamp High/Low-Beam Changer Push the turn signal lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward you and release...

    Automatic Headlamp System

    When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor on top of the instrument panel...

    Other information:

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    GMC Terrain 2018-2025 Owners Manual: Reporting Safety Defects to General Motors


    In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors. In the U.S., call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box 33172 Detroit, MI 48232-5172 In Canada, call 1-800-263-3777 (English) or 1-800-263-7854 (French), or write: General Motors of Canada Company Customer Care Centre, Mail Code: CA1-163-005 1908 C..

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