Hyundai Elantra HD: Automatic climate control system
1. Turn the ignition switch to the ON position.
2. Select the defrost position pressing defrost button (
).
3. While holding the air conditioning button (A/C) pressed, press the air intake
control button (
) at least 5 times within
3 seconds.
The A/C display blinks 3 times with 0.5 second of interval. It indicates that the defogging logic is canceled or returned to the programmed status.
If the battery has been discharged or disconnected, it is reset to the defog logic status.
