GMC 2010 Sierra - Manual (Page 230)

Windshield Wipers
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.
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.
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 6‑69.
Heavy snow or ice can overload the wiper motor.
A circuit breaker will stop the motor until it cools down.
4-6