Automatic Transmission Shift Lock Control Function Check

When you are doing this inspection, the vehicle could move suddenly. If the vehicleWARNING

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:

    Trailer Towing
    Before pulling a trailer, there are three important considerations that have to do with weight: The weight of the trailer. The weight of the trailer tongue. The total weight on your vehicle& ...

    Checking the Fluid Level
    Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). 3. With your foot on the bra ...

    Buying New Tires
    GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system r ...