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 ...

Keys and Locks

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See also:

Checking engine oil level
1. Park the vehicle on a level surface and apply the parking brake. 2. Run the engine until it reaches operating temperature. 3. Turn off the engine. Wait more than 15 minutes for the oil ...

Engine Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant heat ...

Driving downhill
• Drive slowly. • Do not drive at an angle down steep inclines. Steer into the line of fall and drive with the front wheels aligned straight. Otherwise, the vehicle could slip sideways, tip ...