Ford Windstar Owner's Manual page 129

Manual flip-open quarter window latch location
Power Quarter Windows (If equipped)
The power rear quarter vent windows operate with the ignition
in the ON or ACC positions. The vent windows are controlled
by the right and left switches located in the center of the
instrument panel, just to the right of the rear defogger. Press the
indented side of the switch to open the windows; press the
raised side of the switch to close the windows.
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