GMC Terrain: Torque Lock - Shifting Into Park - Starting and Operating - Driving and Operating - GMC Terrain Owner's ManualGMC Terrain: Torque Lock

Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is not done properly and then it is difficult to shift out of P (Park). To prevent torque lock, set the parking brake and then shift into P (Park). To find out how, see “Shifting Into Park” listed previously.

If torque lock does occur, the vehicle may need to be pushed uphill by another vehicle to relieve the parking pawl pressure, so you can shift out of P (Park).

    Leaving the Vehicle With the Engine Running
    WARNING It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. And, if yo ...

    Shifting out of Park
    To shift out of P (Park): 1. Apply the brake pedal. 2. Turn the ignition to ON/RUN. 3. Press the shift lever button. 4. Move the shift lever. If you still are unable to shift out of P (Park): 1. ...

    See also:

    Tire pressure monitoring system (TPMS) (U.S.-spec. models)
    The tire pressure monitoring system provides the driver with a warning message by sending a signal from a sensor that is installed in each wheel when tire pressure is severely low. The tire pr ...

    Trailer lights
    Direct splicing or other improper connection of trailer lights may damage your vehicle’s electrical system and cause a malfunction of your vehicle’s lighting system. Connection of tra ...

    Identifying your vehicle
    Safety Compliance Certification Label The National Highway Traffic Safety Administration Regulations require that a Safety Compliance Certification Label be affixed to a vehicle and prescribe whe ...