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:

    Vehicle Speed Messages
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    Unable to Connect to OnStar Message
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    How to Check Lubricant
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