Remove the negative cable from the battery.
Remove the lower section of the steering column housing
(32 31 020).
Remove the lower center left instrument panel trim
(51 45 190).
Remove the grub screw (1).
Pull out the switch.
Separate the plug connection (2) in the grey cable.


32 31 020

Detach the cable harness from the fuse box and the plug
board.
When installing:
green-fuse 7
violet-fuse 10
red-plug board