Rain sensors

What is a rain sensor and how does it work?

A rain sensor is a device that detects rain on the windshield and automatically activates the wipers. Using infrared sensors, it adjusts the wiper speed according to the intensity of the rainfall, allowing the driver to focus on the road without having to manually control the wipers. The sensor is usually located behind the rearview mirror, integrated into the windshield.

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Why and when should a rain sensor be reset?

After a windshield replacement, resetting the rain sensor is often necessary, even on vehicles without an Advanced Driver Assistance System - ADAS, to ensure it functions as intended by the manufacturer. A non-reset sensor may cause irregular wiper movements or fail to activate altogether. Carglass® performs this reset to ensure driving safety and comfort according to manufacturer guidelines.

How to know if your vehicle is equipped with a rain sensor?

You can check your vehicle’s manual or, if your wipers automatically activate when it rains, this means your vehicle is equipped with this system.

The reset process at Carglass®

  1. Initial diagnosis: Our technicians check the rain sensor to ensure it is properly connected and functional.
  2. Precise reset: Using manufacturer-compliant equipment, we reset the sensor to ensure proper operation.
  3. Reset certificate: After the procedure, Carglass® provides you with a certificate confirming that the reset has been successfully performed. 
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Why trust Carglass® for rain sensor reset?

  • Certified technicians and specialized equipment
    All our service centers are equipped with modern diagnostic tools, and our technicians receive continuous training on the latest automotive technologies.
  • Speed and reliability
    We guarantee that your sensors will work properly after your windshield replacement.

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