GMC Terrain: Starting and Operating / Retained Accessory Power (RAP)

Some vehicle accessories may be used after the ignition is turned off. The power windows and sunroof, if equipped, will continue to work for up to 10 minutes or until any door is opened.

The infotainment system will continue to work for 10 minutes, until the driver door is opened, or until the ignition is turned on or placed in ACC/ACCESSORY.

    Engine Heater

    Warning Do not plug in the engine block heater while the vehicle is parked in a garage or under a carport. Property damage or personal injury may result...

    Shifting Into Park

    Warning It can be dangerous to get out of the vehicle if the vehicle is not in P (Park) with the parking brake set. The vehicle can roll. If you have left the engine running, the vehicle can move suddenly...

    Other information:

    GMC Terrain 2018-2025 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 2018-2025 Owners Manual: Service


    All vehicles have a label underhood that identifies the refrigerant used in the vehicle. The refrigerant system should only be serviced by trained and certified technicians. The air conditioning evaporator should never be repaired or replaced by one from a salvage vehicle...

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