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:

    California Fuel Requirements
    If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is n ...

    Interior
    The Yukon's dashboard has the same shape as its GM siblings. That's good news because the domed instrument panel, carlike dashboard and flush-mounted buttons make for a handsome design. This SUV ...

    Playing a CD (In Either the DVD or CD Slot)
    Insert a CD partway into the slot, label side up. The player pulls it in and the CD should begin playing. (Loading a disc into the system, depending on media type and format, ranges from five to 20 s ...