Hi,  I've recently taken ownership of a 2013 vRS, but the auto dimming rear view mirror doesn't seem to be working.  I had this on my previous Mk2 and the system looks much the same, you press the button underneath to activate/deactivate the auto-dimming, indicated by a light below the mirror.

...only I'm not getting any light when I press the switch under the mirror and it doesn't auto-dim when bright lights are shining in from behind.

Before I follow-up under warranty, just wanted to check I'm not being silly...is there anywhere else this might have been turned off?  Or any fuses worth checking?

 

Many Thanks, Ross

I'd check the fuse(s) first

When its working there should be a green light at the bottom of the mirror.

I'd take it back to the dealer & get them to look at it.

Might have had a new windscreen at some point, they may not have connected it back up.

Thanks for the replies, much appreciated, sounds like its faulty right enough, definitely no green light no matter the switch position.  The other gadgetry in the windscreen seems to be working (lane assist & auto-wipers).  Having sunset glass wouldn't have any impact on the auto-dimming would it?

 

I'll check out the fuses later, once I've figured out which one.

 

Otherwise, I'll get it into a local dealer to check it out.

No, sunset glass makes no difference to the mirror function. And the manual should detail which fuse(s) it is

Hmm, according to the manual the fuse for the dimming mirror is shared with ESC, TCS, Tyre Pressure monitoring, Start-Stop, reverse light and some air conditioning stuff.  The other bits are all working, so I stopped short of checking the fuse and will pop down the dealer for their view.

...will be back with an update soon