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:

    Memory Seats
    Memory Seats On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat, outside mirrors, and the adjustable throttle an ...

    How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
    If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...

    Rear Seats
    A. Seat Adjustment Handle B. Reclining Seatback Strap C. Sliding Seat Lever ...