GM Service Manual Online
For 1990-2009 cars only

Object Number: 964583  Size: SH

Important: The sunroof motor drive gear is made of nylon. Care should be taken not to damage the slot in the drive gear.

Use a large straight-bladed screwdriver to simultaneously depress and turn the center slot in the sunroof motor drive gear. This will allow the sunroof to be opened or closed.