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Battery

The function of the battery is to supply the energy needed to start the engine, provide the current to operate the accessories when the vehicle is not running and to protect the Powertrain Control Module (PCM) from high-voltage surges.

Common signs of wear include lack of power when attempting to start the vehicle or when using the accessories. Have Custom check your battery cables, case and holddowns, clean terminals, load test and check voltage every 20,000 miles or according to your owner’s manual. Check battery fluid level every 10,000 miles (exept maintenance-free batteries).