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🚨 1991 Cadillac DeVille: Emergency Neutral

The 1991 DeVille uses a column-mounted shifter with a mechanical shift lock release system.

🧰 Drafted with AI under the editorial review of Chris Hackleman & Jeff Moore — details like the exact override location may vary by trim; verify visually before prying anything.
⚠️ Chock the wheels first — neutral means the car can roll. Set the parking brake while you work, never stand downhill of the vehicle, and try a 12-volt jump before any override: power fixes most stuck-in-park problems instantly.

The procedure

  1. Ensure the vehicle is on a level surface and set the parking brake firmly.
  2. Turn the ignition key to the ON or ACC position (do not attempt to start the engine).
  3. Locate the shift lock override mechanism on the steering column, typically a small access slot or button near the base of the shifter on the column.
  4. Look for a small plastic cover or cap on the right side of the steering column near where the shift lever mounts.
  5. Use a small flathead screwdriver or similar tool to pry off the access cover.
  6. Insert the screwdriver or a key into the override slot and press or push in the direction that releases the lock.
  7. While holding the override, press the button on the shift lever and move the shifter from Park to Neutral.
  8. If the shifter still won't move, verify the ignition is in the ON position and try applying firm pressure to the override.
Shift-lock override location
On the steering column near the base of the shifter lever, typically on the right side under a small plastic access cover
With zero electrical power
The 1991 DeVille uses a largely mechanical shift lock system that should function with the key in the ON position even with a weak battery. If the battery is completely dead and the key will not turn to ON, you may need to provide minimal 12V power (jump box or cables) to unlock the steering column. Once the key turns to ON or ACC, the mechanical override should work regardless of battery condition.
📖 Why cars lock in Park (full guide)🔧 All repair data for this DeVille🚨 Still stuck? Ask a master tech →