GM Service Manual Online
For 1990-2009 cars only

Lock Cylinder Can Be Removed Without Depressing Retainer for Buick Regal 1999

Problem

Action

The lock cylinder retaining screw is missing.

Install the lock cylinder retaining screw. Refer to Steering Column Lock Cylinder Set - Disassemble - Off Vehicle or Steering Column Lock Cylinder Set - Assemble - Off Vehicle .