Chevrolet 1993 Astro Passenger Owner's Manual page 83

To close the window, pull the latch toward you and push it down.
Hatch Release Switch
K33' 13
This switch is to the left of the steering column. It will release the rear hatch.
The vehicle must be in P (Park) or N (Neutral) to release the hatch and
unlock the split-panel doors.
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