What are the steps to remove a car battery?

[StBella]

The steps to remove a car battery are: 1. Loosen the negative terminal nut; 2. Remove the negative terminal; 3. Remove the positive terminal; 4. Unscrew the nut of the battery clamp, release the clamp, and take out the battery. The functions of the car battery are: 1. To power the starting system, ignition system, and electronic fuel injection system when the engine starts; 2. To power the car's electrical equipment when the engine stops or runs at low idle; 3. To assist in powering the electrical equipment when the generator's output is insufficient; 4. To buffer the impact voltage in the electrical system and protect the electronic equipment in the car; 5. To store excess electricity generated by the alternator.