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That's because the Model 3 doesn't have a dedicated rain sensor but tries to detect rain with the built-in cameras.

Oh. Dear. God.

I wouldn't have guessed.

No Tesla but I have a Chrysler minivan. I've never needed to do anything with the wiper controls in the three years we've had it. Between Musk's erratic behavior and issues like these, my desire to have a Tesla has dramatically decreased.

Automatic wipers have ALWAYS been bad. The old Nissan 200SX had a wiper sensor and it was one of the first things to fail on that car.