Chevrolet 1993 Astro Passenger Owner's Manual page 62

Features & Controls
Sliding Side
Door
PO411
To open the sliding side door, pull the handle toward the
back and slide the
door to the rear until it latches in the open position.
'0444
To close the sliding side door, pull the handle toward the front
to release the
rear latch, and slide the door forward.
2-6