Oldsmobile 1999 Bravada - Manual (Page 269)

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Windshield Wiper Blade Replacement
Windshield wiper blades should be inspected at least
twice a year for wear or cracking. See “Wiper Blade
Check” in Section 7 of this manual under Part B “Owner
Checks and Services” for more information.
See “Normal Maintenance Replacement Parts” in the
Index for the proper type of replacement blades.
NOTICE:
Use care when removing or installing a blade
assembly. Accidental bumping can cause the arm
to fall back and strike the windshield.
1. To remove the old wiper blades, lift the wiper arm
until it locks into a vertical position.
A. Blade Assembly
B. Arm Assembly
C. Locking Tab
D. Blade Pivot
E. Hook Slot
F. Arm Hook