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:
Safety Belts
Refer to the following sections for important information on how to use safety
belts properly:
○ Safety Belts on page 3‑12.
○ How to Wear Safety Belts Properly on page 3‑ ...
Engine Cooling When Trailer Towing
The cooling system may temporarily overheat during severe operating conditions. See Engine Overheating on page 10‑18. ...
Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless
there is help nearby. If possible, use the Roadside Assistance Program (U.S. and
Canada) on page 13‑7 or Roadside ...





