OnStar Additional Information

See also:

Manual Transfer Case
The transfer case shift lever is on the floor to the right of the driver. Use this lever to shift into and out of Four-Wheel Drive. A Four-Wheel Drive indicator light comes on when you shift int ...

Engine Cooling System Messages
ENGINE HOT A/C (Air Conditioning) TURNED OFF This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gauge on page 5‑ ...

Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible. ○ Avoid fast starts and accelerate smoothly. ○ Brake gradually and avoid abrup ...