Underbody Maintenance

Use plain water to flush dirt and debris from the vehicle's underbody.

Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.

    See also:

    Securing Child Restraints (Front Passenger Seat)
    This vehicle has airbags. A rear seat is a safer place to secure a forward-facing child restraint. See Where to Put the Restraint. In addition, the vehicle has a passenger sensing system whic ...

    Retrieve My Number
    1. Push . System responds: “OnStar ready.”. 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...

    Headlamps on Reminder
    A reminder tone sounds when the headlamps or parking lamps are manually turned on, if the driver’s door is open and the ignition is in LOCK or ACC. To turn the tone off, turn the knob all the wa ...