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: Purge Control Solenoid Valve (PCSV) Description and Operation
Description
Purge Control Solenoid Valve (PCSV) is installed on the surge
tank and controls the passage between the canister and the intake
manifold. It is a solenoid valve and is open when the ECM grounds the
valve control line. When the passage is open (PCSV ON), fuel vapor
stored in th ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Power brakes
Your vehicle has power-assisted brakes that adjust automatically through normal
usage.
If the engine is not running or is turned off while driving, the power assist
for the brakes will not work.
You can still stop your vehicle by applying greater force to the brake pedal
than typical. The st ...