First Engine Oil Change After Every 80 000 km/50,000 Miles

• Engine air cleaner filter replacement. See Engine Air Cleaner/Filter.

• Automatic transmission fluid change (severe service) for vehicles mainly driven in heavy city traffic in hot weather, in hilly or mountainous terrain, when frequently towing a trailer, or used for taxi, police, or delivery service. See Automatic Transmission Fluid.

    See also:

    Parking on Hills
    WARNING: Parking the vehicle on a hill with the trailer attached can be dangerous. If something goes wrong, the rig could start to move. People can be injured, and both the vehicle and the trai ...

    General Information
    For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

    Automatic Door Unlock
    The doors will automatically unlock when the shift lever is moved into P (Park). See Vehicle Personalization . ...