1. Applicable Model: The rear view mirror glass is for MK8 2020 to 2023. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2. OE Number: The part number for reference is 5H0857521. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3. Blind Spot Monitoring: The side mirror glass utilizes advanced technology for clear, crisp images of the vehicle's blind spots, reducing driving accidents and enhancing convenience and comfort. 4. Clear Image: The door mirror glass ensures flatness, optimal optical quality, and clear reflection on the mirror, perfectly reflecting the road conditions behind, facilitating the driver to easily observe the surroundings and driving conditions of the vehicle. 5. Enhanced Security: The side view mirror glass features a heating function to quickly remove frost and fog on the mirror, ensuring driving security and avoiding poor vision caused by blurry mirrors. Spec: Item Type: Heated Rearview Mirror Glass OE Number: 5H0857521 Fitment: Fit for MK8 2020-2023 Package List: 1 x Heated Rearview Mirror Glass Note: Please double check the part number of your item, matching information is for reference only.