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Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Screw thread
Push out the cover by pressing on the top edge. ...

California Proposition 65 Warning
California laws require us to state the following warning: Engine exhaust and a wide variety of automobile components and parts, including components found in the interior furnishings in a vehi ...