Remove the Cap
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 Volkswagen Jetta, 2009 Volkswagen Jetta, 2009 Volkswagen GLI, 2008 Volkswagen Jetta, and 2008 Volkswagen GLI. However, it is still accessible from the selected car via links, so may be relevant.
-- If the vehicle has a decorative wheel hubcap, loosen the full wheel trim all around with the wire clip and wrench from the vehicle tools -arrow A- and then remove it -arrow B-.