Table of contents: Removal ↓ Installation ↓
Removal
When replacing the control unit, select the appropriate control unit in the "Wired functions" menu. Turn off the ignition and remove the ignition key. Lift the floor mat on the left side of the car. Turn the clamps "1...3" counterclockwise and remove the top cover.

Unlock the "arrow" clamps and remove the central control unit of the Comfort system "J393" upwards from the switching unit in the floor of the car. Disconnect connectors "1...4".
Installation
Installation in reverse order.
