GMC Terrain: Rear Cross Traffic Alert (RCTA) / Turning the Features On or Off

The GMC Terrain. Turning the Features On or Off button on the center console is used to turn on or off the Front and Rear Park Assist and the Rear Cross Traffic Alert (RCTA). The indicator light in the button comes on when the features are on and turns off when the features have been disabled.

Turn off Park Assist and RCTA when towing a trailer.

RCTA can be turned off through “Collision/Detection Systems” under Vehicle Personalization.

    Rear Cross Traffic Alert (RCTA)

    If equipped, when the vehicle is shifted into R (Reverse), RCTA displays a red warning triangle with a left or right pointing arrow to warn of traffic coming from the left or right...

    Automatic Parking Assist (APA)

    If equipped, APA searches for and steers the vehicle into parallel and perpendicular parking spots. When using APA, you must still shift gears, and control the brakes and accelerator...

    Other information:

    GMC Terrain 2018-2022 Owners Manual: Battery - North America


    The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview for battery location...

    GMC Terrain 2018-2022 Owners Manual: Tire Pressure Monitor System


    The Tire Pressure Monitor System (TPMS) uses radio and sensor technology to check tire pressure levels. The TPMS sensors monitor the air pressure in your tires and transmit tire pressure readings to a receiver located in the vehicle. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufact..

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