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&nb ...

Turn Signal/Multifunction Lever
The lever on the left side of the steering column includes the following: : Turn and Lane-Change Signals : Headlamp High/Low-Beam Changer : Windshield Wipers : Windshield Washer Flash-To- ...

Maintenance I
• Change engine oil and filter. See Engine Oil. An Emission Control Service. • Engine coolant level check. See Engine Coolant (4.6L Engine) or Engine Coolant (3.9L Engine). • Windshield wa ...