Jeep Grand Cherokee 2012 Owner's Manual page 531

Avoid using the wiper blades to remove frost or ice from
the windshield. Keep the blade rubber out of contact with
petroleum products such as engine oil, gasoline, etc.
NOTE: Life expectancy of wiper blades varies depend-
ing on geographical area and frequency of use. Poor
performance of blades may be present with chattering,
marks, water lines or wet spots. If any condition is
present please proceed to clean wiper blades with humid
cloth removing any debris that may be affecting its
function.
Rear Wiper Blade Removal/Installation
1. Lift the pivot cap on the rear wiper arm upward, this
will allow the rear wiper blade to be raised off of the
liftgate glass.
MAINTAINING YOUR VEHICLE 529
1 — Wiper Arm
2 — Pivot Cap
NOTE: The rear wiper arm cannot be raised fully
upward unless the pivot cap is raised first.
2. Lift the rear wiper arm upward to raise the wiper
blade off of the liftgate glass.
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