GM Service Manual Online
For 1990-2009 cars only

The rear wiper/washer system is equipped with the high grade vehicle. The rear wiper and the washer are one assembly. The rear washer is installed to the rear wiper.

The rear wiper/washer switch is the same as the windshield wiper. Push the switch to one position forward and the rear wiper operates slowly. Push the switch more forward and the rear wiper/washer system operates.