GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Ignition Switch Does Not Turn

Problem

Action

The lock cylinder is damaged.
  1. Inspect the lock cylinder
  2. Replace the lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .

The ignition key is worn or damaged.

Replace the ignition key.