How to change window deflectors on GMC Sierra 2500 HD

The window glass should be protected because it is sensitive. Heavy rain or a lot of dust can damage your car glass and also the window's lower side denting paint so here you have to use good side window deflectors.  2021 GMC Sierra 2500 HD Window Deflectors keep fresh air flowing throughout your vehicle even in a downpour, reduce annoying wind noise, and keep your interior cooler in extreme heat with Ventvisor Window Deflectors. So you have to use better side window deflectors for your window glasses.