Battery
The battery supplies power to start the engine and operate any additional electrical accessories.
- To avoid break–down or failure to start the vehicle, maintain a battery with full cranking power.
- Trained dealer technicians have the diagnostic equipment to test the battery and ensure that the connections and cables are corrosion–free.
See also:
If No Steam Is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or
heard, the problem may not be too serious. Sometimes the engine can get a
little too hot when the vehicle:
- Climbs a long h ...
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 o ...
Safety Belts
Refer to the following sections for important information on how to use
safety belts properly:
- Safety Belts
- How to Wear Safety Belts Properly
- Lap-Shoulder Belt
- Lower Anchors and Tet ...






