2007 GMC Sierra 1500 Pickup Owner's Manual - Page 217

Windshield Washer LQ (Washer Fluid): There is a paddle marked with the windshield washer symbol at the top of the multifunction lever. To spray washer fluid on the windshield, push the paddle. The wipers will clear the window and then either stop or return to your preset speed. Cruise Control 9 (Off): Move the switch to this position to turn off the cruise control system. {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 is has an Allison® automatic transmission, see "Grade Braking and Cruise Grade Braking (Allison Transmission®) under Tow/Haul Mode on page 147 for an explanation of how cruise control interacts with the tap up/down gear selection, tow/haul and grade braking systems. 217