If you press the multi air button again, the indicator turns OFF and the directed air flow is adjusted according to the previous setting before the multi air mode was enabled.
If you press the MODE selection button, the airflow changes based on the MODE selected.
Hyundai Tucson (LM) 2010-2015 Service Manual: Heater & A/C Control Unit(Manual) Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the console upper cover (A).
3.
Using the screwdriver, remove the center facia lower cover (A).
4.
Using the screwdriver, remove the center facia lower switch assembly (A).
5.
Disconnect the connectors and ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Body Control Module (BCM) Components and Components Location
Components
Connector Pin Information
NoConnector AConnector BConnector CConnector D1B+LIN (RPAS)Safety power window Enable lowRear seat heater relay2IGN 1Head lamp low switchSecurity INDRear fog lamp relay3IGN 2Head lamp high switchAV unlock signalFront wiper relay4Turn signal switch (LH)Auto ...