Hyundai Elantra (CN7): Windshield defrosting and defogging / Auto defogging system (only for automatic climate control system)
Auto defogging helps reduce the possibility of fogging up the inside of the windshield by automatically sensing the moisture on inside the windshield.
The auto defogging system operates when the heater or air conditioning is on.
When the Auto Defogging System operates, the indicator will illuminate.
If a high amount of humidity is detected in the vehicle, the Auto Defogging System will be enabled.
The following steps will be performed automatically:
Step 1) The A/C button will turn ON.
Step 2) The air intake control will change to Fresh mode under low outside temperature.
Step 3) The mode will be changed to defrost to direct airflow to the windshield.
Step 4) The fan speed will be increased.
To cancel or reset the Auto Defogging System
Press the front windshield defroster button for 3 seconds when the ignition switch is in the ON position.
When the Auto Defogging System is canceled, defrost button indicator will blink 3 times.
When the Auto Defogging System is reset, defrost button indicator will blink 6 times without a signal.
Information
- When the air conditioning is turned on by Auto defogging system, if you try to turn off the air conditioning, the indicator will blink 3 times and the air conditioning will not be turned off.
- To maintain the effectiveness and efficiency of the Auto Defogging System, do not select Recirculation mode while the system is operating.
- When the Auto Defogging System is operating, the fan speed adjustment knob, the temperature adjustment knob, and the air intake control button are all disabled.
NOTICE
Do not remove the sensor cover located on the upper end of the driver side windshield glass.
Damage to system parts could occur and may not be covered by your vehicle warranty.
To help reduce the probability of fogging up the inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as or position.
NOTICE To prevent damage to the conductors bonded to the inside surface of the rear window, never use sharp instruments or window cleaners containing abrasives to clean the window.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting
TroubleshootingProblem Symptoms TableBefore replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor.Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures
Variant Coding When you need variant coding:– Replace Front View Camera with a new one※ EOL Variant Coding and calibration required for new replacementFront View Camera Variant CodingFront view camera variant coding makes it possible to operate functions for each vehicle type.
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