S8 Quattro Sedan V10-5.2L (BSM) (2009)
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Release trim retainer tabs by pulling improvised tool in - direction of arrow -.
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Repeat procedure on opposite side.
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Unplug connector - arrow - at front interior light.
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Guide Humidity Sensor (G355) electrical wires between molded headliner and body.
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Press cover apart slightly at both sides - arrows - and remove Humidity Sensor (G355) - item 1 -.
Installing