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:

    Power Door Locks
    There is a power door lock switch on the instrument panel. There are power door lock switches on the front door panels. Q : Press to lock the doors. K : Press to unlock the doors. When locking ...

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). ...

    TTY Users
    OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of ...