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:

    Hazard Warning Flashers
    (Hazard Warning Flashers): Press this button located on top of the steering column, to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. Pr ...

    Manual Rearview Mirror
    Hold the mirror in the center to move it for a clearer view of behind your vehicle. Adjust the mirror to avoid glare from the headlamps behind you. Push the tab at the bottom of the mirror forward for ...

    Services for People with Disabilities
    Advisors provide services to help subscribers with physical disabilities and medical conditions. Push for help with: • Locating a gas station with an attendant to pump gas. • Finding a hotel, ...