2010 Chevrolet Avalanche Owner's Manual - Page 214

Windshield Wipers Clear ice and snow from the wiper blades before using them. If frozen to the windshield, carefully loosen or thaw them. Damaged wiper blades should be replaced. See Windshield Wiper Blade Replacement on page 6‑53. Heavy snow or ice can overload the wiper motor. A circuit breaker will stop the motor until it cools down. Windshield Washer { WARNING: Turn the band with the wiper symbol to control the windshield wipers. 8 (Mist): Single wipe, turn to 8, then release. Several wipes, hold the band on 8 longer. 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. 9 (Off): Turns the windshield wipers off. 6 (Adjustable Interval Wipes): Turn the band up for more frequent wipes or down for less frequent wipes. 6 (Low Speed): Slow wipes. ? (High Speed): Fast wipes. L (Washer Fluid): Push the paddle marked with the windshield washer symbol at the top of the multifunction lever, to spray washer fluid on the windshield. The wipers clear the window and then either stop or return to the preset speed. 4-6