2005 GMC Safari Owner's Manual - Page 121

Move the switch to OFF to turn off the rear window washer. The rear window washer uses the same fluid bottle as the front windshield washer. If the fluid level is low in the washer 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. {CAUTION: Cruise control can be dangerous where you cannot drive safely at a steady speed. So, do not 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. Do not use cruise control on slippery roads. Cruise Control Your vehicle may have this feature. With cruise control, you can maintain a speed of about 25 mph (40 km/h) or more without keeping your foot on the accelerator. This can really help on long trips. Cruise control does not work at speeds below about 25 mph (40 km/h). When you apply your brakes, the cruise control shuts off. 3-11