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:

    What Makes a Denali
    The changes from a regular Acadia to a Denali are obvious from the outside, and they make the Acadia Denali look more put together, as if it were sculpted from one piece of metal rather than glued ...

    If Steam is Coming from the Engine Compartment
    WARNING Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone aw ...

    Jump Starting
    For more information about the vehicle battery, see Battery on page 10‑26. Jump starting can be used on vehicles with run&-down batteries by using jumper cables and another vehicle. WARN ...