Automatic Car Washes! How do they work? How is it that they don’t damage our cars when moving the brushes and dryers?

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Automatic Car Washes! How do they work? How is it that they don’t damage our cars when moving the brushes and dryers?

In: Engineering

Automatic car washes have light sensors and infrared lights that shine into them from the other side of the machine. While the machine moves around and over your car, some of these sensors get blocked by your car while others don’t. The car wash is programmed to “know” how close it is to your car and moves accordingly to get around it