Pontiac 1999 Firebird - Manual (Page 116)

yellow blue
2-60
1. The door key unlocks the panels. The lock is over
the front door window. Turn the key
counterclockwise to unlock the panel.
2. Then pull on the release handle to unlatch the panel.
Lift the outer edge of the panel and pull it toward
you. Then carry the panel to the rear of the vehicle
for storage.