Chevrolet 1995 Astro Cargo Owner's Manual page 60

Rear Doors
If you have the Dutch doors, you must open the hatch first.
To open the rear doors
from the outside, open
the right rear door
first. Grasp the handle
and pull the door
open.
To open the left rear
door, pull on the latch
release handle in the
inside of the door.
To
close the rear doors, close the left door first. Check to make sure both
doors are completely closed.
The rear doors have a check assembly to keep the doors from opening
beyond 90".
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