Chevrolet 1994 Astro Passenger Owner's Manual page 87

If you have optional
power windows, the
controls are on each of
the front side doors.
The driver's door has
a switch for the front
passenger window as
well. Your power
windows will not
move unless the
ignition has been
turned to
RUN.
Swing-Out Windows
To open your
swing-out windows,
pull up on the latch
and push the window
out.
To close the window,
pull the latch toward
you and push it down.