Buick 2011 Lucerne - Manual (Page 337)

Black plate (55,1) Buick Lucerne Owner Manual - 2011
To replace the wiper blade assembly:
1. Turn the ignition to ACC/ACCESSORY with the
engine off.
2. Pull the windshield wiper assembly away from the
windshield.
3. Squeeze the tabs on each side of the wiper blade
assembly and slide the assembly off the end of the
wiper arm.
4. Replace the blade assembly with a new one.
Allowing the wiper blade arm to touch the
windshield when no wiper blade is installed could
damage the windshield. Any damage that occurs
would not be covered by your warranty. Do not
allow the wiper blade arm to touch the windshield.
5. Repeat the steps for the other wiper.
6-55