Checking Fluid Level
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 1985 Pontiac Sunbird, 1985 Pontiac Grand Am, 1985 Pontiac Firebird, 1985 Pontiac Fiero, and 1985 Pontiac 1000. However, it is still accessible from the selected car via links, so may be relevant.
Check lubricant level at filler plug hole on side of transmission. Lubricant should be level with bottom of filler plug hole. Add lubricant as necessary to bring to correct level.