Symptom: Lexus GS430 / GS300 may appear when the use of intelligent key failure phenomenon:
    1, the engine can not be used after the flame and remote control way to lock the car, only mechanical way to lock the car, want to enter the vehicle again when the machine can only use the way unlock (intelligent way and remote control failure).
    2, into the cabin, the detection of the existence of smart keys. Press the ignition switch without any reaction, and the ignition switch indicator light does not light (can not enter the ACC and IGON state), depress the brake pedal when you press the ignition switch without any reaction (starter does not turn).
    Troubleshooting: Some environments may have electromagnetic interference. When the vehicle is in these environments, electromagnetic waves may interfere with the wireless communication between the smart key and the vehicle. When the vehicle leaves these environments, the fault disappears automatically. In general, the interference radius of the environment where electromagnetic interference exists is between 15 and 100 m, which is related to the intensity of terrain and interference signals.
    Press the brake pedal at the same time the smart key LEXUS logo surface close to the ignition switch, the distance can not be greater than 22mm, and keep at least 3s, then the ignition switch light turns green. Keep the above actions while holding down the ignition switch, the engine can be successfully started.