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:
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
Using the Directory Command
The directory command lists all of the name tags stored by the system.
To use the directory command:
1. Press
.
► For vehicles without a navigation system, the system responds “Ready,” f ...
Manual Locks
From the outside, unlock the door using either the key
or the RKE transmitter.
From the inside, use the power door lock switches or
manual lock knobs located at the top of the door panel
near t ...
