1. The battery has a problem or the battery is empty 2. The battery cable is loose 3. The power system has a problem, the fuse is blown, the wire is broken. 4. The wiring is wrong. 5. The cell or plate inside the battery is damaged. 6. The alternator is faulty. 7. The belt is running. Charge is broken or dropped If you are not sure that it is the cause It is recommended to bring the car to the center to check the condition again.