Q3 (8U) – Lower passenger mirror when reversing

Purpose: automatically lowers the passenger mirror when reversing.

The mirror adjustment knob must be in position“R” for the passenger mirror to lower automatically.


Proceed :
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer, then plug the other end into your vehicle’s diagnostics socket.

2 – Switch on the ignition and run the VCDS program.

Line 1:

3 – Click on“Select”, then click on“52 – Passenger door”.

4 – Click on“Coding – 07” then click on“Long Coding Helper”.

5 – Select byte“4
Then check Bit“2”:“Reserve Gear Mirror Dipping active
and Bit“3”:“Position Memory for Reserve Gear Mirror Dipping active”.


Line 2:

3 – Click on“Select” then click on“09 – Central Elec”.

4 – Click on“Coding – 07” then click on“Long Coding Helper”.

5 – Choose byte“4”.

Check Bit 3 (If this is a hidden bit, you must modify the value directly in binary (replace the 0 by 1, e.g.01011100).

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