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:
Other Navigation Services
Available from OnStar
OnStar eNav: Allows subscribers
to send destinations from Google
Maps and MapQuest.com to their
Turn-by-Turn Navigation or
screen-based navigation system.
When ready, the directions will be
...
Storing a Radio Station as a
Favorite
Drivers are encouraged to set up
their radio station favorites while the
vehicle is stopped. Tune to favorite
stations using the presets, favorites
button, and steering wheel controls,
if th ...
Wiper Arm Assembly Protection
When using an automatic car wash, move the windshield wiper lever to OFF.
This disables the automatic Rainsense windshield wipers and/or rear wiper.
With Rainsense, if the transmission is in N (Ne ...






