Door Lock Warning 3

A function to warn when the user tries to lock the door when the smart key is inside the vehicle.

1. Vehicle status conditions
   1. ACC OFF or IGN OFF
   2. At least one door is open and the door switch is unlocked.
2. Door Lock Warning 3 verification process
   1. The user presses a button on a door handle
   2. IBU finds the smart key through the door handle or external antenna.
   3. The response signal from the smart key are transmitted to the IBU.
   4. The IBU operates the external buzzer.