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.
Hyundai Tucson (LM) 2010-2015 Service Manual: Valve Body Repair procedures
Removal
1.
Remove the air duct.
(Refer to Engine Mechanical System - "Air cleaner")
2.
Remove the battery and the battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Remove the under cover (A).
Tightening torque :
19.6 ~ 24.5 N.m (2.0 ~ 2.5 kgf.m, 14.5 ~ 18.1 lb-ft) ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Emergency tailgate safety release
Your vehicle is equipped with an Emergency Tailgate Safety Release lever located
inside on the bottom of the tailgate. When someone is inadvertently locked in the
luggage compartment, the tailgate can be opened by moving the lever in the direction
of the arrow and pushing the tailgate open ...