How do you deactivate the anti theft system on a Toyota MR2 roadster?

To deactivate the anti-theft system on a Toyota MR2 Roadster, first ensure that you have the key fob or the key itself. Insert the key into the ignition and turn it to the "On" position without starting the engine. If the system does not deactivate, try locking and unlocking the driver's side door with the key or remote. Refer to the owner's manual for specific instructions related to your model year, as procedures may vary.