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:
Removing the Flat Tire and Installing the Spare Tire
Take off the wheel cover or center cap, if the vehicle has one, to reach the
wheel bolts.
1. Do a safety check before proceeding. See If a Tire Goes Flat for more
information.
2. Turn the wheel ...
Service Bulletins
Service Bulletins give additional
technical service information
needed to knowledgeably service
General Motors cars and trucks.
Each bulletin contains instructions
to assist in the diagnosis ...
SERVICE TRACTION
CONTROL
This message displays when
there is a problem with the
Traction Control System (TCS).
The TCS/StabiliTrak warning light
on the instrument panel cluster also
comes on. When this message
disp ...






