Rain Sensor Question - Buick Envision Forum
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post #1 of 2 (permalink) Old 05-13-2019, 09:17 AM Thread Starter
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Join Date: May 2019
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Rain Sensor Question

Can someone tell me how the rain sensor works? The sensor on our 2018 Envision seems to be erratic. Most of the time it works fine, but occasionally it won't work at all while at other times it will run continuously on high speed with little or no rain on the windshield. I'm an electrical engineer, so technical descriptions are fine. Thanks in advance.
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post #2 of 2 (permalink) Old 05-13-2019, 08:03 PM
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Join Date: May 2019
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I don't have the automatic wipers on my Envision, but I did have them on my SRX.

The switch on the stalk controls the sensitivity. The graduated control on the stalk that would normally control the delay on a standard model is the sensitivity control for the autowipe. If you have the sensitivity dialed all the way up it will wipe the windshield more often and with less rain on it.

Did that make sense?!?
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