Disconnect the plug connector of the electronic unit, having first unfastened and folded back the plug locking bracket.
Remove the electronics unit. To do this, release the locking device, move the electronics unit to the side and remove it.
Note: If an electronic unit is replaced, it must be re-coded in a specialist workshop.
Turn the holder with the faulty lamp (from "1" to "6") to the left and remove. Replace the incandescent lamp together with the holder.
Install the electronics assembly and instrument panel assembly.