Withdrawal
Disconnect the ground wire from the battery.
Remove radio.
Disconnect the connector for the rear window defroster through the cutout for the radio. After that, squeeze the left bracket and pull out the left element of the remote control.
Disconnect the connectors from the back. To do this, on the right connector, pull the lever up, on the left connector, press the bracket to the left with a screwdriver, see figure.
Compress the fastening clips 1 and disconnect the cable from the lever 2. Do the same with other cables.
If necessary, unscrew and replace the fan switch or controller on the remote control.
Installation
Connect the cables and snap into the supports. Pay attention to the color coding so as not to confuse the cables.
Put on and secure the connectors.
Insert remote.
Connect the ground wire to the battery and check the operation of the heater control panel.
Insert the rear window heating switch, install the radio.