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.
- Always dispose of engine oil properly. See “What to Do with Used Oil” in this section.
See also:
Chassis refinements
Chassis tuning has focused on achieving a smooth, quiet, refined ride. The
DTS features an all-new front cradle design, with the engine mounted to the
cradle, and the cradle mounted to the body ra ...
Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here
are some things to know.
WARNING
Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engin ...
Weight of the Trailering Combination
It is important that the combination of the tow vehicle and trailer does not
exceed any of its weight ratings — GCWR, GVWR, RGAWR, Trailer Weight Rating or Tongue
Weight. The only way to be sure i ...






