Under What Circumstances Should a Car Battery Be Replaced?

1 Answers
VonHolden
07/24/25 10:18pm
Car battery replacement is necessary under the following circumstances: 1. The car is harder to start than usual; 2. Headlights become dimmer when idling; 3. The battery fault warning light turns on; 4. Unusual noises occur during startup; 5. The battery shows bulging or leakage; 6. Significant voltage changes before and after startup. It is important to avoid parking the car in open parking lots for extended periods. If long-term parking is unavoidable, the battery should be removed and taken away to prevent freezing damage. During winter, car engines are harder to start. Each attempt to start the car should not exceed 5 seconds, with intervals of at least 15 seconds between attempts. If the car fails to start after multiple attempts, check other aspects such as the electrical circuit, ignition coil, or fuel system instead of continuously trying to start the car, as this may cause the battery to overheat and fail due to excessive discharge.
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