Special Application Services

• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
• Have underbody flushing service performed once a year.

    See also:

    Vehicle Reminder Messages
    ICE POSSIBLE DRIVE WITH CARE This message displays when the outside air temperature is cold enough to create icy road conditions. Adjust your driving accordingly. ...

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

    Ignition Transmission Lock Check
    While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. ○ The ignition should turn to LOCK/OFF only when the shift lever is in P (Park ...