A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
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Release the retaining clips - 2 - - arrows - and remove the humidity sensor (G355) - item 4 - from the interior rearview mirror base - 1 -.
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Disconnect the electrical connector - 3 -.
Installing
‹› Tightening specification => [ Headlight Assistant, Humidity Sensor and Lane Assist Assembly Overview ] See: Accessories and Optional
Equipment/Collision Avoidance and Parking Assist Systems/Service and Repair/Headlight Assistant, Humidity Sensor and Lane Assist Assembly
Overview.
Install in reverse order of removal, observing the following:
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Install the interior rearview mirror.