Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
What to Use
To determine what kind of fluid to use, refer to Recommended Fluids and Lubricants
on page 11‑12. Always use the proper fluid.
Notice: Use of the incorrect fluid may damage the vehicle and th ...
Cooling System
2.4L L4 Engine
A. Engine Cooling Fan (Out of View)
B. Engine Coolant Surge Tank and Pressure Cap
3.0L V6 Engine
A. Engine Cooling Fans (Out of View)
B. Engine Coolant Surge Tank and Pressure ...
Four-Wheel Drive
If the vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction. To get the most satisfaction out of Four-Wheel Drive, you must be familiar with its ...