GMC Terrain: Warning Lights, Gauges, and Indicators / Security Light

GMC Terrain. Security Light

The security light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off.

If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation.

    Diesel Exhaust Fluid (DEF) Warning Light

    This light, a Driver Information Center (DIC) Message, and a chime come on when there is an issue with the DEF. If the DEF issue has not been corrected, the light will continue to flash...

    High-Beam On Light, Front Fog Lamp Light and Lamps On Reminder

    High-Beam On Light This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer. IntelliBeam Light This light comes on when the IntelliBeam system, if equipped, is enabled...

    Other information:

    GMC Terrain 2018-2024 Owners Manual: Driver Information Center (DIC) (Base and Midlevel)


    The DIC displays are shown in the center of the instrument cluster in the Info app. See Instrument Cluster (Base and Midlevel) or Instrument Cluster (Uplevel). The displays show the status of many vehicle systems. The controls for the DIC are on the right steering wheel control...

    GMC Terrain 2018-2024 Owners Manual: Gas Strut(s)


    This vehicle is equipped with gas strut(s) to provide assistance in lifting and holding open the hood/ trunk/liftgate system in full open position. Warning If the gas struts that hold open the hood, trunk, and/or liftgate fail, you or others could be seriously injured...

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