With both my late (and not particularly lamented) 2025 Toyota Prius and my current 2026 Corolla, I have noticed a pronounced whine at low speed and in reverse.
I had assumed that the whine was caused by using higher speed electric motors in the drive train which would allow for smaller and lighter motors.
I was wrong. Both of these cars have speakers to generate noise to warn pedestrians.
It appears that this was regulation put in place by the NHTSA.
Now, how about making SUVs safer to pedestrians, particularly the cheese grater on wheels that is the Tesla Cybertruck?
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