Automatic Transmission Shift Lock Control Function Check

When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.

1. Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface.

2. Firmly apply the parking brake.

See Parking Brake .

Be ready to apply the regular brake immediately if the vehicle begins to move.

3. With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.

    See also:

    Introduction
    Important: Keep engine oil at the proper level and change as recommended. Have you purchased the GM Protection Plan? The Plan supplements your new vehicle warranties. See your Warranty and Owner ...

    When the System Does Not Seem To Work Properly
    The LDW symbol will not appear when the system is having difficulty seeing the lines on the road or if the view of the camera on the windshield is blocked with mud, dirt, snow, ice, or slush, if ...

    Key and Lock Messages
    NO REMOTE DETECTED This message displays when the transmitter battery is weak on vehicles with keyless access. See “Starting the Vehicle with a Low Transmitter Battery” under Remote Key ...