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:

    Service Bulletins
    Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...

    Driving on Off-Road Hills
    Off-road driving often takes you up, down, or across a hill. Driving safely on hills requires good judgment and understanding of what your vehicle can and cannot do. There are some hills that simp ...

    XM™ Satellite Radio Antenna System
    The XM Satellite Radio antenna is located on the roof of the vehicle. Keep the antenna clear of obstructions for clear radio reception. If the vehicle has a sunroof, the performance of the XM s ...