It's winter and time for the all-too-common issue of ADAS proximity-sensor problems, compliments of the seasonal elements.

Now the only hard part is getting inside the car without setting off the alarm. According to this article there are ultrasonic sensors inside which are designed to detect intrusion and immobilize ...

For [Jianjia Ma]’s QingStation, he decided to build another type of wind sensor: An ultrasonic anemometer ... by mounting the anemometer on his car’s roof and going for a drive.