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Old 21st January 2018, 02:41 PM
erubus erubus is offline
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Join Date: Mar 2017
Location: highland Perthshire
Posts: 152
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I managed to find a measuring block in VCDS roof module for Automatic day/night interior mirror, block 003. Light sensor signal status: invalid Mirror dimming value: 0.5%

Door mirror is not dark, so I presume the system would be working correctly (It's daylight ATM).

Roof module is not registering any fault codes.
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Daily drive: 2008 A8 4.2TDi
2003 A8 4.0TDi. 4 zone climate, double glazing, Bose - dead
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1990 Land Rover 90 factory county station wagon with all the luxury additions, such as a clock and a tape player.
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