Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment:
○ Always use engine oil approved to the proper specification and of the proper viscosity grade. See “Selecting the Right Engine Oil” in this section.
○ Check the engine oil level regularly and maintain the proper oil level. See “Checking Engine Oil” and “When to Add Engine Oil” in this section.
○ Change the engine oil at the appropriate time. See Engine Oil Life System on page 10‑12.
○ Always dispose of engine oil properly. See “What to Do with Used Oil” in this section.
See also:
Integrated Trailer Brake Control System
The vehicle may have an Integrated Trailer Brake Control (ITBC) system for electric trailer brakes.
This symbol is located on the Trailer Brake Control Panel on vehicles with an Integrated Trailer ...
Antilock Brake System (ABS)
This vehicle has the Antilock Brake System (ABS), an advanced electronic braking
system that helps prevent a braking skid.
When the engine is started and the vehicle begins to drive away, ABS check ...
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. ...





