Oldsmobile 2004 Silhouette - Manual (Page 359)

To remove the windshield wiper blade(s):
1. Turn the wipers on to the lowest intermittent setting.
2. Turn the ignition to OFF while the wipers are at
the outer position of the wipe pattern.
3. Pull the windshield wiper arm away from the
windshield or backglass.
4. While holding the
wiper arm away from
the glass, push
the release clip from
under the blade.
5. Push the release clip at the connecting point of the
blade and the arm up. Then pull the blade assembly
down toward the glass to remove it from the
wiper arm.
6. Push the new wiper blade securely on the wiper
arm until you hear the release clip “click” into
place.
7. Push the release clip, from Step 4, down to secure
the wiper blade into place.
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