GMC 2003 Envoy - Manual (Page 350)

6, Pul the blade assembJy pi voi in Ihe wiper arm
hool!. PuJI up until Itìe pivot tocking tab Jocks m
the hook slot.
7. Carefudv lower the wiper atm and blade assembly
onto the windshield.
Backgtass Wiper Btade Replacement
See W fndshteid W ipor Bircio RepJsce^eni on pagie 5^53
in this section for inslr^clions on how to change Ihe
beckglass wiper bJade. The backgfass wiper biade will
not Icick in a verUcai position iihe tha wind&hieid
wiper biade, so care should be used when pulling it
Sway from the viehicl?.
A Ctaw in Welch
B. Correcl InsiaHation
C. Incorreci llinsiaiiatlon
S-5S