Mazda 2009 CX-7 Manual page 366

Maintenance and Care
Owner Maintenance
1. Remove the cover and raise the wiper
arm.
2. Firmly rotate the wiper blade to the
right until it unlocks, then remove the
blade.
CAUTION
To prevent damage to the rear
window let the wiper arm down
easily, don't let it slap down on the
rear window.
8-30
3. Pull down the blade rubber and slide it
out of the blade holder.
4. Remove the metal stiffeners from each
blade rubber and install them in the
new blade.
CAUTION
Don't bend or discard the stiffeners.
You need to use them again.