GMC Terrain: Exterior Mirrors / Automatic Dimming Mirror and Reverse Tilt Mirrors

GMC Terrain 2018-2023 Owners Manual / Keys, Doors, and Windows / Exterior Mirrors / Automatic Dimming Mirror and Reverse Tilt Mirrors

Automatic Dimming Mirror

The vehicle has an automatic dimming outside mirror on the driver side. The mirror will adjust for the glare of headlamps behind you.

Reverse Tilt Mirrors

If equipped with memory seats, the passenger and/or driver mirror tilts to a preselected position when the vehicle is in R (Reverse), if enabled. This allows the curb to be seen when parallel parking.

The mirror(s) return to the original position when:

  • The vehicle is shifted out of R (Reverse), or remains in R (Reverse) for about 30 seconds.
  • The ignition is turned off.
  • The vehicle is driven in R (Reverse) above a set speed.

To turn this feature on or off, see Vehicle Personalization.

    Folding Mirrors and Heated Mirrors

    Folding Mirrors Manual Folding Mirrors The mirrors can be folded inward toward the vehicle to prevent damage when going through an automatic car wash...

    Interior Mirrors

    Interior Rearview Mirrors Adjust the rearview mirror for a clear view of the area behind the vehicle. Do not spray glass cleaner directly on the mirror...

    Other information:

    GMC Terrain 2018-2023 Owners Manual: Vehicle Data Recording and Privacy


    The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle...

    GMC Terrain 2018-2023 Owners Manual: 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. It may also provide a Lane Departure Warning (LDW) system alert as the lane marking is crossed...

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