A8L V8-4.2L (BFM) (2004)
Humidity Sensor: Service and Repair
Humidity Sensor, With Lane Assist
Switches
Humidity Sensor, with Lane Assist
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If the humidity sensor (G355) was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided
Functions".
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Pry the top cover - 1 - from the interior rearview mirror base - arrows -.
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Remove front interior light. Refer to=> [ Front Interior Lamp with Roof Electronics Control Module, from 09.07 ] .
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Remove interior mirror.
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Remove screws - arrows -.
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Unclip cover for sun visor center support and remove bolts.
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Remove the sun visor center support.
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Unplug connector - arrow - at front interior light.