Defogging Logic
To reduce the possibility of fogging inside the windshield, the air intake or air conditioning is automatically controlled under certain conditions, such as
or
position. To cancel or restore the defogging logic, do the following
Manual Climate Control System
1. Turn the ignition switch to the ON position.
2. Select the defrost mode (
).
3. Press the air intake control button at least 5 times within 3 seconds. The process must be completed within 10 seconds after the defrost mode (
) is selected.
The LED indicator on the air intake button will blink 3 times, indicating that the anti-fog logic is disabled.
Repeat the steps again to re-enable the anti-fog logic.
If the battery is discharged or disconnected, the anti-fog logic will reset to its default state.
Automatic Climate Control System
1. Turn the ignition switch to the ON position.
2. Press the defroster button (
).
3. While pressing the A/C button, press the air intake control button at least 5 times within 3 seconds.
The automatic climate control information display will blink 3 times, indicating that the anti-fog logic has been disabled.
Repeat the steps again to re-enable the anti-fog logic.
If the battery is discharged or disconnected, the anti-fog logic will reset to its default state.
Test yourself
A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.