2008 Chevrolet Uplander Owner's Manual - Page 170
2008 Chevrolet Uplander Manual
Page 170 highlights
Rear Window Wiper/Washer = (Rear Washer/Wiper): Move the lever to this position to wash and wipe the rear window. The rear window washer uses the same fluid bottle as the windshield washer. However, the rear window washer will run out of fluid before the windshield washer. If you can wash your windshield but not your rear window, check the fluid level. {CAUTION: In freezing weather, do not use your washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. If your vehicle has the rear window washer/wiper, the controls are located on the end of the turn signal/ multifunction lever. Cruise Control {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 excessive wheel slip, and you could lose control. Do not use cruise control on slippery roads. 9 (Off): Move the lever to this position to turn the rear washers/wipers off. Z (Rear Wiper): Move the lever to this position to turn the rear wipers on. 3-10