Figured the wiper problem Not phased correctly for the park. the cam nob goes on the wider side of the ears. The OER turn signal sucks, said it was going to cancel or it would break. It broke. Ordered a different style. This one works great.... The center cap was driving me crazy. Stripped it in carb cleaner and sanded and polished the face. 500, 800, 1000, 1500, 2000 then polish. Much better.