Attention: If the battery is disconnected, then the record of malfunctions in the computer memory is erased and such systems that are often in operation, such as anti-blocking, radio, clocks, do not work. Before disconnecting the battery, read the fault records. Re-program after connecting the battery.
Some radio receivers of special design are coded. The code protects the radio from being used by an unauthorized person if its power has been disrupted. The power may have been interrupted, for example, by disconnecting the battery, removing the radio, or blowing the radio's fuse. If the radio is coded, you must find the code before disconnecting the battery. If the code is not known, then only the manufacturer will be able to turn on the radio.
Removing the battery
Switch off the ignition. This prevents damage to the electronic control unit.
Open the hood. The battery is located on the left side of the engine compartment.
Disconnect wire first «masses», then the positive wire.
Remove the battery clamp.
Take out the battery.
Caution: The battery contains poisonous components which must not be disposed of in the trash. Old batteries must be taken to special collection points. Local authorities must inform drivers of the location.
Installation
Clean the battery terminals before installing the battery. It is advisable to do this with a brass wire brush. To protect against corrosion, coat the terminals with a special anti-acid grease, for example, from BOSCH.
Install the battery in place.
Install the clamp and secure the battery with it, without tightening the nut too much.
Connect the battery to the positive wire, then to the negative.
Attention: Incorrect connection of the battery can cause severe damage to the vehicle's electrical system.
If necessary, program the radio receiver.
Set the time on the clock.