Joye being that you have a 2012, your vehicle may still holds the factory warranty, you may want to check with the dealership first before diving too deep.
〉 Answered on Jul 21st, 2014 by Amanda J. Pierce, MBA "AJ", Certified Mechanic, Project Coordinator; Primavera Scheduler at VIGOR Alaska Industrial Shipyard & BizzM3ch Solutions
It could be, but electrical issues are tricky. If i were you I would take it to a Mitsubishi dealer and let them take care of it. Mitsubishi has had problems with moisture in doors affecting window switches before. .
〉 Answered on Jul 21st, 2014 by Gail Dunn, Owner at Women's Automotive Connection