QUOTE (mann777 @ Aug 10 2009, 12:26 PM)

Have the Windshield washed and cleaned with some glass degreaser..could be some fine grime settled and sensor unable to read the sensitvity of the object aka wiper rubbers ) Have you been on a long drive recently ! could be one of the factors that they get stuck to the glass.
My 3GS pretty much has the same problem (but I read about the rain sensing wipers BEFORE I even bought it and people said they were pretty horrible from the get go). Thanks for the tip, though, mann! I will definitely try that out soon...