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:

    Listing Stored Numbers
    The list command will list all stored numbers and name tags. ...

    Place a Call Using a Stored Number
    1. Push . System responds: “OnStar ready.” 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” Verify Minutes and Expiration Push and say “minutes” t ...

    Cruise Control Light
    For vehicles equipped with cruise control, this light comes on whenever the cruise control is set. The light goes out when the cruise control is turned off. See Cruise Control on page 9‑63 fo ...