1999 GMC Yukon Owner's Manual - Page 107

yellowblue 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 fluid bottle as 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. If you can wash your windshield, but not your rear window, check the fluid level. This can really help on long trips. Cruise control does not work at speeds below 25 mph (40 km/h). When you apply your brakes, cruise control shuts off. CAUTION: D Cruise control can be dangerous where you can't drive safely at a steady speed. So, don't use your cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause needless wheel spinning, and you could lose control. Don't use cruise control on slippery roads. Cruise Control (If Equipped) With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your foot on the accelerator. D 2-37