The power windows not lowering when the Cabriolet top latch and/or door handle is operated or lowering unexpectedly while driving can be caused by a failing Cabriolet top or door handle micro switch. Diagnoses will be required to determine which switch is at fault and will require replacement.Google+
Car Problem Reports
Porsche Boxster Power Windows Won't Lower Due to Failing Cabriolet Top/Door Handle Micro Switch
Porsche Boxster Problem
Average Mileage: 73,876 mi (38,765 mi - 135,000 mi)
Visitor, 2000 Porsche Boxster, 84,000 mi
car went to body shop for hail damage. Now the windows do not open slighly when door handled opens.
Power window won't lower.
Visitor, 1999 Porsche Boxster, 68,000 mi
Windows lower halfway as while driving, as if convertible top has been engaged (but has not), and won't go back up!
Visitor, 2000 Porsche Boxster, 57,000 mi
Top handle latch popped open while driving about 60 mp,now windows do not lower when unlatching top.h.No warning
Visitor, 1997 Porsche Boxster, 82,000 mi
windows do not let down when I let top down, but when driving the windows roll down on there own. driver door will not open from inside or out. my automatic key lock do not work.
Visitor, 1998 Porsche Boxster, 41,000 mi
windows go down. will not go back up. only half way when I put top back up.
Visitor, 2001 Porsche Boxster
no drivers window movement
Visitor, 2009 Porsche Boxster, 117,000 mi
window lowers and then rises once door on drivers side opens. Thus when the door closes the window is still in the fully extended position coliding with the door frame.
Visitor, 2003 Porsche Boxster, 43,500 mi
Both doors have experienced multiple relay replacements, and the whole mechanism once on the drivers door. Door lockin mechanis wear area is made of plastic and eventually wears through and binds