OnStar Services

See also:

How to Check Power Steering Fluid
Check the level after the vehicle has been driven for at least 20 minutes so the fluid is warm. To check the power steering fluid: 1. Turn the ignition to LOCK/OFF and let the engine compartme ...

Radio Menus (Radio with CD)
Radio menus are available for AM and FM. Turn the TUNE/MENU knob to open the main radio menu for that band. Selecting a Band Press the RADIO/BAND button to choose AM, FM, or XM, if equipped. The la ...

OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...