Press the A/C button to turn the air conditioning system on (indicator light will illuminate).
Press the button again to turn the air conditioning system off.
Hyundai Tucson (LM) 2010-2015 Service Manual: Speakers Repair procedures
Inspection
1.
Troubleshooting for Speaker
(1)
Basic inspection of speaker
Inspect the sound from speaker after verifying that the
speaker mounting screws are removed and the wiring connector is
connected to remove any possible vibration transmitted from body trims
and surrounding parts. ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Components and Components Location
Component Location
1. Power door mirror2. Power door mirror switch3. Power folding mirror switch
...