OnStar

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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 ...

Shocks and Struts
Shocks and struts help aid in control for a smoother ride. • Signs of wear may include steering wheel vibration, bounce/sway while braking, longer stopping distance, or uneven tire wear. â ...

Charging System Light
The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is sta ...