The windshield wipers will operate when the ignition is in ACC or ON.
WIPER: To operate the windshield wipers, turn the band labeled WIPER, located on the multifunction lever, upward or downward.Be sure to clear ice and snow from the wiper blades before using them. If they're frozen to the windshield, carefully loosen or thaw them. If your blades become damaged, get new blades or blade inserts.
Heavy snow or ice can overload your wipers. A circuit breaker will stop them until the motor cools. Clear away snow or ice to prevent an overload. If your blades become damaged, get new blades or blade inserts. See Windshield Wiper Blade Replacement for more information.