NHTSA Complaint #11452832 — 2021 TESLA MODEL 3

While driving from Austin to Nashville, during the last, dark part of our drive, we hit rain. The Auto windshield wiper setting did not work, so I had my passenger help with selecting wiper speeds as the wiper speed control is difficult and distracting to use while driving. We tried the Auto setting a couple more times to see if there was any change, and noticed that the wipers would turn on when we drove under a light, then off again when the there was no light. We tested this a few more times and it appears that the Auto wiper setting only works in well-lit settings (i.e. when it's not raining), and does not work in the dark. It is possible to click a button on the left stalk to trigger a single wipe, but this is ineffective in anything beyond light rain. Due to the inaccessibility of the wiper controls and insufficiency of the single-wipe button, this presents a safety risk while driving the car in the rain.