2010 GMC Acadia Owner's Manual - Page 129

Instruments and Controls 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 Wiper Blade Replacement on page 10‑27. Heavy snow or ice can overload the wipers. A circuit breaker stops them until the motor cools. Windshield Washer 5-5 { WARNING 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. WASHER FLUID LOW ADD FLUID is displayed on the Driver Information Center (DIC) when the washer fluid is low. See Washer Fluid Messages on page 5‑44. 8 (Mist): Single wipe, turn the band to 8 and then release. Several wipes, hold the band on 8 longer. 9 (Off): Turns the wipers off. 6 (Adjustable Interval Wipes): Turn the band up for more frequent wipes or down for less frequent wipes. 1: Slow wipes. 2: Fast wipes. J (Washer Fluid): Press the button at the end of the turn signal/lane change lever, to spray washer fluid on the windshield. The wipers clear the windshield and either stop or return to the preset speed. The ignition key must be in ACC/ACCESSORY or ON/RUN for this to work. See Washer Fluid on page 10‑21 Windshield Washer Fluid. Rear Window Wiper/Washer The rear wiper and rear wash button is located on the instrument panel below the climate control system. Z (Rear Wiper): Press to turn the rear wiper on and off. The wiper speed cannot be changed. Y (Wash): Press to spray washer fluid on the rear window. The window wiper will also come on.