The heating and cooling system can be controlled manually by pushing buttons or turning knob(s) other than the AUTO button. In this case, the system works sequentially according to the order of buttons or knob(s) selected.
✽ NOTICE
When pressing any button (or turning any knob) except the AUTO button while using automatic operation, the functions not selected will continue to be controlled automatically.
1. Start the engine.
2. Set the mode to the desired position.
To improve the effectiveness of heating and cooling;
- Heating: 
- Cooling: 
3. Set the temperature control to the desired position.
4. Set the air intake control to the outside (fresh) air position.
5. Set the fan speed control to the desired speed.
6. If air conditioning is desired, turn the air conditioning system on.
Press the AUTO button in order to convert to full automatic control of the system.

Automatic heating and air conditioning
Mode selectionHyundai Tucson (LM) 2010-2015 Owners Manual: Anti-lock brake system (ABS) warning light
This light illuminates if the ignition switch is placed in the ON position and
goes off in approximately 3 seconds if the system is operating normally.
If the ABS warning light remains on, comes on while driving, or does not come
on when the ignition switch is placed to the ON position, this ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Windshield defrosting and defogging
WARNING
Windshield heating
Do not use the or
position during cooling operation in
extremely humid weather. The difference between the temperature of the outside air
and the windshield could cause the outer surface of the windshield to fog up, causing
loss of visibility. In this case, ...