GM Service Manual Online
For 1990-2009 cars only

Ignition Switch Does Not Turn for Buick Century 2000

Problem

Action

The lock cylinder is damaged.

  1. Inspect the lock cylinder. Refer to Steering Column Lock Cylinder Set - Disassemble - Off Vehicle or Steering Column Lock Cylinder Set - Assemble - Off Vehicle .
  2. Replace the lock cylinder. Refer to Steering Column Lock Cylinder Set - Disassemble - Off Vehicle or Steering Column Lock Cylinder Set - Assemble - Off Vehicle .

The ignition key is worn or damaged.

Replace the ignition key.