Consumer Reports has no financial relationship with advertisers on this site. Ever wonder how your car knows it’s raining—and even how hard? Most rain-sensing wipers use a sensor that’s mounted behind ...

A: In most of these systems, a rain sensor is located on the inside of the windshield behind the rear view mirror. Infrared light is projected outward through the windshield glass at a 45 degree angle ...

Volvo Trucks has requested an exemption from the Federal Motor Carrier Safety Administration to allow the placement of rain and ambient light detection sensors on Volvo’s trucks lower in the ...

Valeo has announced a contract for a compact Rain Light Tunnel (RLT) sensor system that will contribute to safety for all road users on rainy days, at twilight and going through tunnels. Valeo’s RLT ...