
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
Temperature control
Fan speed controlHyundai Tucson (LM) 2010-2015 Service Manual: Components and Components Location
Component (1)
1. Steering column shaft2. Lighting switch3. Wiper and washer switch4. Screw5. Clock spring
Component (2)
...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Active ECO system
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
Fuel-efficiency is determined by the driver's driving habits and road conditions.
When the Active ECO button is pressed the ECO indicator (green) will illuminate
to show that the Active ...