Disconnecting the battery

When performing any work on the electrical system, you must first disconnect the battery. On modern cars that require precautions in order to avoid damage to electronic components. Thus, when carrying out any work, should pay special attention to the following:

"Plus" and "minus" battery cables can be easily confused. If in doubt, check the polarity of the circuit to the battery or to provide labeling wires;

- The first is to be disconnected "minus" ("mass") battery cable;

- If the vehicle is provided in the radio anti-theft code, before disconnecting the battery, make sure you have this code at your fingertips. When disconnecting the battery that important for the radio code is cleared, so the next time you connect it must be entered again. All previously programmed radio stations will also be erased, so they need to be programmed again;

- Some alarms are triggered when disconnecting the battery. For this reason, you should first figure out how to turn them off before disconnecting the battery.