
The mode selection button controls the direction of the air flow through the ventilation system.
The air flow outlet port is converted as follows:

Face-Level (B, D)

Air flow is directed toward the upper body and face. Additionally, each outlet can be controlled to direct the air discharged from the outlet.
Bi-Level (B, D, E, C)

Air flow is directed towards the face and the floor.
Floor-Level (C, A, D, E)

Most of the air flow is directed to the floor, with a small amount of the air being directed to the windshield and side window defrosters.
Floor/Defrost-Level (A, C, D, E)

Most of the air flow is directed to the floor and the windshield with a small amount directed to the side window defrosters.

Defrost-Level (A, D)
Most of the air flow is directed to the windshield with a small amount of air directed to the side window defrosters.

Instrument panel vents
The outlet vents can be opened or closed separately using the horizontal thumbwheel. To close the vent, rotate it left to the maximum position.
To open the vent, rotate it right to the desired position.
Also, you can adjust the direction of air delivery from these vents using the vent control lever as shown.
Manual heating and air conditioning
Temperature controlHyundai Tucson (LM) 2010-2015 Service Manual: Cowl Top Cover Repair procedures
Replacement
1.
Remove the cover and nut, then remove the wiper arm (A).
2.
Detach the clips, then remove the cowl top cover (B).
3.
Install in the reverse order of removal.
•
Replace any damage clips.
...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Washer fluid
Checking the washer fluid level
Check the fluid level in the washer fluid reservoir and add fluid if necessary.
Plain water may be used if washer fluid is not available.
However, use washer solvent with antifreeze characteristics in cold climates
to prevent freezing.
CAUTION
To prevent se ...