Automatic Transmission Shift Lock Control Function Check

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 on page 9‑58.

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:

    Auxiliary Battery
    The auxiliary battery provision can be used to supply electrical power to additional equipment that may be added, such as a slide-in camper. If the vehicle has this provision, this relay will be loca ...

    Customer Satisfaction Procedure (Mexico)
    Did you get the Warranty Extension Plan? This plan is recommended by General Motors to supplement the warranty included with the new vehicle purchase. See your dealer for details. Customer Assista ...

    Automatic Operation
    AUTO (Automatic): The system automatically controls the inside temperature, the air delivery, and the fan speed. To use automatic mode: 1. Press the AUTO button. When AUTO is selected, the current ...