Do you mean the switches in every door, or the 4 switches in the drivers door?
if it’s the latter then all 4 switches are in one module and can be changed independently of the switched in the other doors.
Sold it. It was just sat on the drive most of the time. Put some fuel in it yesterday and the filter started leaking. Had corroded underneath the lamp and had a pin ***** hole. Sad to see it go but it needs to be used.
Check for any signs of dampness in the carpet at the front.
does the car steam excessively from exhaust when started?
I have the same situation as you but a leak can’t be found anywhere. Car runs fine. The only suggestion my garage has is that there’s a pin hole leak somewhere and the coolant...