Chevrolet 1994 Astro Passenger Owner's Manual page 88

Hatch Release Switch
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. The hatch will release with or without the key
in the ignition.
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