I found this on the downloaded version of the manual. I'm getting a 2022 Elite at the end of the month, so I was curious about this.
When you push the lever down to AUTO, the
windshield wipers sweep once, and go into
the automatic mode.
The wipers operate intermittently, at low
speed, or at high speed and stop in
accordance with the amount of rainfall the
rainfall sensor detects.
■ Auto sensitivity adjustment
When the wiper function is set to AUTO, you
can adjust the sensitivity of the rainfall sensor
(using the adjustment ring) so that wipers will
operate in accordance with your preference.
When you push the lever down to AUTO, the
windshield wipers sweep once, and go into
the automatic mode.
The wipers operate intermittently, at low
speed, or at high speed and stop in
accordance with the amount of rainfall the
rainfall sensor detects.
■ Auto sensitivity adjustment
When the wiper function is set to AUTO, you
can adjust the sensitivity of the rainfall sensor
(using the adjustment ring) so that wipers will
operate in accordance with your preference.