Don't have the procedure for anything earlier than '98.  Perhaps your '94 is
done similarly to the '98.  Procedure below:

Document ID# 463603
1998 Chevrolet/Geo Metro
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Trim Panel Replacement - Front Door

Removal Procedure

Remove the following components from the door trim (1):
One screw
The inside door handle bezel (2)
Remove 2 plastic screw covers from the door armrest.
Remove the following components from the door:
Two screws
The armrest
Remove the door mirror inner garnish (8) from the door (1).
Remove the regulator handle (1) by using a cloth in order to pull off the
snap ring.
Gently pry the door trim (1) away from the door, disengaging the retaining
clips.
Disconnect the electrical connectors from the power window or from the power
door, if equipped.

Installation Procedure

Connect the electrical connectors to the power window or to the power door,
if equipped.
Position the door trim (1) to the door and press the retaining clips into
place.
Install the snap ring to the regulator handle.
Set the regulator handle (1) at a 45 degree angle when the window is fully
closed.
Install the regulator handle (1) to the door.
Install the armrest to the door. Secure the armrest with the armrest screws.
Install plastic screw covers to the armrest.
Install the door mirror inner garnish (8) to the door (1).
Install the inside door handle bezel (2) to the door trim (1). Secure the
bezel with the 1 screw.