Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and viscosity grade.
See Recommended Fluids and Lubricants.
See also:
OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can
connect to a live Advisor for Emergency, Security, Navigation, Connection, and
Diagnostic Services. See OnStar Overview. ...
Keyless Locking
If the vehicle has the keyless access system, this feature allows you to
select whether the doors automatically lock during normal vehicle exit. When
the vehicle is turned off and all doors become c ...
Automatic Transmission Fluid
How to Check Automatic Transmission Fluid
It is not necessary to check the transmission fluid level.
A transmission fluid leak is the only reason for fluid loss. If a leak
occurs, take the vehi ...






