Many of these features require an unobstructed view through the windshield, which is why it is recommended to always use OEM glass for your windshield replacement and never repair a windshield. Additionally, an OEM windshield will provide better structural support for your vehicle.
On average, OE windshields blocked about 96 percent of UV-A rays. Automakers are already using higher-SPF glass not only because it protects against UV rays but also because it helps cool down the car and thus improves fuel efficiency by reducing the use of air conditioning.