The Side Blind Spot Alert Sensor for the 2017-2021 Buick Encore is a genuine Buick performance part designed for the left driver side of the vehicle. This sensor, with manufacturer part number 42358265, is manufactured in China and does not come with a manufacturer warranty. It is specifically designed to enhance safety and alert drivers to potential blind spot hazards while driving. This product is a perfect fit for those looking to upgrade their Buick Encore with a high-quality, reliable blind spot alert sensor. This is used see photos has some damage to the bottom corner see photos