The air intake control button is used to select the outside (fresh) air position or recirculated air position.
To change the air intake control position, push the control button.
Recirculated air position
The indicator light on the button illuminates when the recirculated air position is selected.
With the recirculated air bposition selected, air from the passenger compartment will be drawn through the ventilation system and heated or cooled according to the function selected.
Outside (fresh) air position
The indicator light on the button does not illuminates when the outside (fresh) air position is selected.
With the outside (fresh) air position selected, air enters the vehicle from outside and is heated or cooled according to the function selected.
✽ NOTICE
Prolonged operation of the heater in the recirculated air position (without air conditioning selected) may cause fogging of the windshield and side windows and the air within the passenger compartment may become stale. In addition, prolonged use of the air conditioning with the recirculated air position selected will result in excessively dry air in the passenger compartment.
WARNING
Hyundai Tucson (LM) 2010-2015 Service Manual: Relay Box (Passenger Compartment) Repair procedures
Inspection
Fuse
1.
Be sure there is no play in the fuse holders, and that the fuses are held securely.
2.
Are the fuse capacities for each circuit correctx
3.
Are there any blown fusesx
If a fuse is to be replaced, be sure to use a new fuse of the
same capacity. Always determine why ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Manual heating and air conditioning
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 AU ...