See also:

Radio Frequency Identification (RFID)
RFID technology is used in some vehicles for functions such as tire pressure monitoring and ignition system security, as well as in connection with conveniences such as key fobs for remote door lock ...

Battery Power Protection
This feature shuts off the dome lamps if they are left on for more than 10 minutes when the ignition is in LOCK/OFF. This helps to prevent the battery from running down. ...

ELECTRONIC KEY NOT DETECTED RESTART ALLOWED
If the vehicle has the keyless access system, this message displays when the keyless access transmitter is not detected inside the vehicle while you are trying to turn the ignition off. The ...