Mazda 2011 CX-9 Owner's Manual page 507

Maintenance and Care
Owner Maintenance
7. Carefully insert the new blade rubber.
Then install the blade assembly in the
reverse order of removal.
qReplacing Rear Window Wiper
Blade
When the wiper no longer cleans well, the
blade is probably worn or cracked.
Replace it.
CAUTION
To prevent damage to the wiper arm
and other components, don't try to
sweep the wiper arm by hand.
1. Remove the cover and raise the wiper
arm.
8-28
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.
3. Pull down the blade rubber and slide it
out of the blade holder.