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:

    Tire Rotation and Required Services Every 12 000 km/7,500 mi
    Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation. • Check engine oil level and oil life percentage. If needed, change engine oil and ...

    XM Radio Messages
    If you have a Radio with CD or Radio with Six-Disc CD, you can receive these radio display messages. If you have a Radio with CD (MP3), you can receive these radio display messages. ...

    Vehicle and Power Issues
    OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...