To defog inside windshield

1. Set the fan speed to the desired position.
2. Select desired temperature.
3. Press the defroster button (
).
4. The air conditioning will turn on according to the detected ambient temperature and outside (fresh) air position will be selected automatically.
If the air conditioning and outside (fresh) air position are not selected automatically,
adjust the corresponding button manually. If the
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 position.
2. Set the temperature to the maximum (clockwise) position (HI).
3. Press the defroster button (
).
4. The air conditioning will turn on according to the detected ambient temperature and outside (fresh) air position will be selected automatically.
Manual climate control system
Defogging logicHyundai Tucson (LM) 2010-2015 Owners Manual: USB Mode
✽ NOTICE - USING THE USB DEVICE
Connect the USB device after turning on the engine. The USB device may
become damaged if it is already connected when the ignition is turned on.The
USB device may not operate properly if the car ignition is turned on or off
with the USB device connected ...
Hyundai Tucson (LM) 2010-2015 Service Manual: PDM Relay Box Description and Operation
Description
The PDM relay is united with IG1, IG2 and ACC relays and installed beside the assist instrument panel. ...