How do you change the indicator LED in the passenger wing mirror?

This may help you visualize the repair:

First check your fuse and plug in connection are okay. If they are okay the wing mirror motor is probably defective

your mirror control switch has 9 wires.,your drivers door mirror has 5 wires color coded .from your mirror control switch to your drivers siide mirror / 0.5 black .0.5 brown. 0.5 brown. 0.5 black. 0.5 black.
your passenger mirror wires are 0.5 blue/black .0.5 blue/grey. 0.5 blue/white. the passenger mirror has a ground cable 0.5 brown.
the passenger mirror wire 0.5 green/white connects to a 5amp fuse/F25 onto F31 5amp to a wire 0.75 green/yellow.back to the mirror control switch.

The fuse for that is either under the hood around the battery or on either driver or passenger side inside the car.

hello, replace the mirror, i belive its built in to the mirror

try looking a brakers yard but they will wont to sell you a hole mirror not half of one,,,if it works let it be?

I changed mine a few years ago (2005 Sharan). Price of the LED part was ~£20 from the main dealer. Biggest problem was taking the mirror unit apart. I spent ages removing the mirror then seperating the parts. Later some ne'r-do-well knocked into the mirror on a bike, folding it towards the front of the car, and it all just came apart in such a way as to make changing the indicator easy!

your mirror control switch has 9 wires.,your drivers door mirror has 5 wires color coded .from your mirror control switch to your drivers siide mirror / 0.5 black .0.5 brown. 0.5 brown. 0.5 black. 0.5 black.
your passenger mirror wires are 0.5 blue/black .0.5 blue/grey. 0.5 blue/white. the passenger mirror has a ground cable 0.5 brown.
the passenger mirror wire 0.5 green/white connects to a 5amp fuse/F25 onto F31 5amp to a wire 0.75 green/yellow.back to the mirror control switch.

TO FIT A NEW MIRROR FIRST CONNECT THE WIRING PLUGS THEN ENSURE THE FRICTION PIN ON THE BACK OF MIRROR ENGAGES IN THE SLOT (OUTER EDGE OF MIRROR) PRESS FIRMLY AT THE CENTRE OF THE MIRROR TO ENGAGE THE RETAINING CLIP....IF YOU NEED TO REMOVE MIRROR INSERT A FLAT TOOL BEHIND THE LOWER EDGE AND LEVER IT FROM THE CLIPS.. HOPE I WAS OF SOME HELP TO YOU...

Have you tried taking off the cover to see if the indicator cover is part of the entire wing mirror cover. I think it might all be part of the same cover. The Haynes manual may be able to help more.
Sian