Need full make, model and year of the vehicle to answer this question properly.
How do you Change Windshield Wiper Blades on a 2004 Chevrolet Trail Blazer?
You can change the wiper blades by removing the retaining clip to the wiper blade arm. The wiper blade will come off and can be replaced.
The wiper blades are very easy to change oo a 2005 Pontiac,,its a simple snap in installation. If you need it there is a video of the process at www.youtube.com.
Change the wiper blades.
The 2000 Pontiac Bonneville takes a 22" wiper blades on both sides front. However, when buying windshield wiper blades be sure to always use the application guide book at the store. The replacement wiper blades will come with step-by-step, illustrated instructions.
this is only for the person
Blades are pressed onto posts on the end of the wiper arms. Just pull and wiggle and they'll come off.
http://www.ehow.com/how_4454148_replace-wiper-blades-toyota-corolla.html
The 2003 Mercury Mountaineer has hook-end wiper arms and are easy to change. See the Sources and Related Links section below for videos on how to change wiper blades as well as what size wiper blades are on the vehicle (correct attachment and lengths). Tip: if you purchase the replacement blades first, there will also be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
The 2001 Toyota Camry has hook-end wiper arms and are easy to change. See the Sources and Related Links section below for videos on how to change wiper blades as well as what size wiper blades are on the vehicle (correct attachment and lengths). Tip: if you purchase the replacement blades first, there will also be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
The 2000 Toyota Tundra has hook-end wiper arms and are easy to change. See the Sources and Related Links section below for videos on how to change wiper blades as well as what size wiper blades are on the vehicle (correct attachment and lengths). Tip: if you purchase the replacement blades first, there will also be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.