Allow the system to reset by letting the vehicle sit idle for 5 minutes and attempt to start the car, signaling the successful bypass of the immobilizer. If unsuccessful, unlock the driver’s side door, manually reset the key fob, and manually lock and unlock the doors , allowing the vehicle to sit idle each time.
To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to confirm the digit and resume, duplicate the operation until you have entered the entire code. This should let you start your Hyundai Elantra without having to remove the The only way to successfully bypass the immo is to send the ECU to the chip tuner. Period. There is a reason you can't bypass it, because it's there to keep people from stealing your car! If it was easy to bypass, then what the heck would be the point of it? My suggestion for most people is to just go the dealer. DjSfT7.