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Hyundai Equus: Windshield defrosting and defogging - Features of your vehicle - Hyundai Equus 2009-2018 Owners ManualHyundai Equus: Windshield defrosting and defogging

WARNING - Windshield heating

Do not use the position during cooling operation or
in extremely humid weather. The difference between the temperature of the outside position during cooling operation
in extremely humid weather. The difference between the temperature of the outside air and that of the windshield could cause the outer surface of the windshield to fog up, causing loss of visibility could cause an accident resulting in serious injury or death. In this case, set the mode selection knob or button to the or button to a lower speed. position and fan speed control knob
or button to a lower speed.

  • For maximum defrosting, set the temperature control to the extreme right/hot position and the fan speed control to the highest speed.
  • If warm air to the floor is desired while defrosting or defogging, set the mode to the floor-defrost position.
  • Before driving, clear all snow and ice from the windshield, rear window, outside rear view mirrors, and all side windows.
  • Clear all snow and ice from the hood and air inlet in the cowl grill to improve heater and defroster efficiency and to reduce the probability of fogging up the inside of the windshield.

✽ NOTICE

If the engine temperature is still cold after starting, then a brief engine warm up period may be required for the vented air flow to become warm or hot.

To defog inside windshield

1. Select desired fan speed.


1. Select desired fan speed.
2. Select desired temperature.
3. Press the defrost button (4. The outside (fresh) air position will be selected automatically. ).

4. The outside (fresh) air position will be selected automatically.

If the outside (fresh) air position is not selected automatically, adjust the corresponding button manually.

If the fan speed is adjusted to a higher fan speed. position is selected, lower
fan speed is adjusted to a higher fan speed.

To defrost outside windshield

1. Set the fan speed to the highest (extreme right) position.


1. Set the fan speed to the highest (extreme right) position.
2. Set the temperature to the extreme hot (HI) position.
3. Press the defrost button ( 4. The outside (fresh) air position will be selected automatically.).

4. The outside (fresh) air position will be selected automatically.

If the fan speed is adjusted to a higher fan speed. position is selected, lower
fan speed is adjusted to a higher fan speed.

Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also has a negative impact on the air conditioning system. Therefore, if abnormal operation is ...

Defogging logic
To reduce the possibility of fogging up the inside of the windshield, the air intake is controlled automatically according to certain conditions such as or position. To cancel or return the defog ...

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