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:

    Navigation
    OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the veh ...

    Removing the Fence
    Unlock by turning both latches (A) to align with the arrow on the adapter (B). Lift and remove the fence. ...

    Ending a Call
    Turn or press the MENU/SELECT knob and select Hang Up. ...