GMC Terrain: Driver Assistance Systems / Lane Departure Warning (LDW)

If equipped, LDW may help avoid crashes due to unintentional lane departures. It may provide a warning if the vehicle is crossing a detected lane marking without using a turn signal in the lane departure direction. Since this system is part of the Lane Keep Assist (LKA) system, read the entire LKA section before using this feature.

    Lane Change Alert (LCA)

    If equipped, the LCA system is a lane-changing aid that assists drivers with avoiding lane change crashes that occur with moving vehicles in the side blind zone (or spot) areas or with vehicles rapidly approaching these areas from behind...

    Lane Keep Assist (LKA)

    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...

    Other information:

    GMC Terrain 2018-2025 Owners Manual: Sunroof


    Sunroof Switch Sunshade Switch If equipped, the sunroof only operates when the ignition is on or in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Ignition Positions and Retained Accessory Power (RAP). Sunroof Switch Express-Open/Express-Close : To express-open the sunroof, press and release (1)...

    GMC Terrain 2018-2025 Owners Manual: Dome Lamps


    The dome lamp controls are in the overhead console. To operate, press the following buttons: : Press to turn off the dome lamps when a door is open. An indicator light on the button will turn on when the dome lamp override is activated. Press OFF again to deactivate this feature and the indicator light will turn off...

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