1995 GMC Yukon Owner's Manual - Page 128

Some visors have mirrors with lights. If the mirror has lights, Rear Window Wiper and Washer The rear window wipedwasher switch is on your instrument panel, to the passenger side of the gage cluster. To turn the wiper on, slide the switch all the way up. For delay wiping, slide the switch even with DELAY in the center position of the rear wiper control. The wiper will cycle every nine seconds. To wash the window, push in on the switch. Window washer fluid will continue to spray until the switch is released. The wiper will continue with three more wipes and then return to the setting that was chosen before the lever was pushed. The rear window washer uses the same Huid bottle a s the front windshield washer. If the fluid level is low in the washer fluid bottle. you may not be able to wash your rear window. I f you can wash your windshield, but not your rear window, check the fluid level. 2-5 6