Auto Rain Sensor Pad Fits Between Sensor and Glass Windshield - Fits Chevy, GMC, Cadillac, Ford, Nissan, Mercedes, Smart, Infiniti Auto Rain Sensor Adhesive Pad Fits between the Sensor and the Glass Windshield with premounted bracket* Buyers Note: Your windshield must have a Premounted bracket mounted on the windshield for rain sensor to attach to. If your windshield does not have bracket on glass for rain sensor then the wrong windshield was installed. We recommend professional installation of this part (any Auto Glass Company) to Avoid possible damage to sensor or windshield If your windshield was replaced many times the sensor pad is not replaced; (but should have been). Try this 1st as an inexpensive solution to replacing the entire sensor. Sensor Pad must be present for sensor to function properly