Windshield Washer - GMC 1999 Sierra 1500 Pickup Owner's Manual

Features & Controls
Windshield Washer
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K2246
At the top of the multifunction lever there's a paddle marked with the
windshield washer symbol and PUSH. 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.
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CAUTION
Driving without washer fluid can be dangerous. A bad mud
splash can block your vision. You could hit another vehicle or go
off the road. Check your washer fluid level often.
In freezing weather, don't use your washer until the windshield is
warmed. Otherwise the washer fluid can form ice on the
windshield, blocking your vision.
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