Special Application Services

• Allison Transmission™ Vehicles Only: Replace external transmission filter at first engine oil change only.
• Vehicles with Dual Wheels: Check dual wheel nut torque at 160 km/100 mi, 1 600 km/ 1,000 mi and 9 700 km/6,000 mi.
• 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:

    Managing the Vehicle Damage Repair Process
    In the event that the vehicle requires damage repairs, GM recommends that you take an active role in its repair. If you have a pre-determined repair facility of choice, take the vehicle there, or have ...

    Windshield
    For safety, appearance, and the best viewing, keep the windshield clean and clear. • Signs of damage include scratches, cracks, and chips. • Trained dealer technicians can inspect the windshield ...

    Finding a Channel
    BAND: Press to switch between AM, FM, or XM™, if equipped. (Tune): Turn to manually select an XM channel. SEEK: Press to go to the previous XM channel. SEEK: Press to go to the next XM channel ...