The immobilizer system turns on the immobilizer indicator on the gauge control module after the ignition system entering the vehicle ON mode, and then authentication processing starts. The immobilizer indicator comes off after the control unit confirms the chip code is correct. The immobilizer indicator in this step tells an abnormality in the system, or success/failure of the key authentication.

The vehicle is equipped with the immobilizer system have an identification marking on the mechanical key.
Consider this identification marking as a proof of the vehicle having the immobilizer system.