What Causes the Battery Warning Light to Illuminate After Replacing a Car Battery?
1 Answers
There are four main reasons why the battery indicator light illuminates after replacing a car battery: Generator malfunction; Charging controller failure; Loose or poor contact in charging circuits; Loose or broken generator drive belt. Solutions: Use a diagnostic scanner to check the specific trouble codes. If it's an intermittent fault, simply clear the code. For persistent faults, perform repairs based on the trouble codes to resolve the issue. Car battery maintenance methods: Start the car periodically to charge the battery; When electrolyte levels are low, replenish with distilled water or specialized battery fluid; Regularly check that the vent holes on the battery cover are clear during daily driving.