How to manually disable the anti-theft system on a 2005 Buick Regal?
1 Answers
Open the driver's side door of the Buick Regal. Press down on the brake pedal. Press the one-touch start button to start the engine. The dashboard lights up, indicating that the Buick Regal's engine has started. Press the unlock button on the Buick Regal to disable the anti-theft system.