Press the Panic button (4) for more than one second. The horn sounds and hazard warning lights flash for about 30 seconds.
To cancel the panic mode, press any button on the smart key.
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: Panoramaroof Switch Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the overhead console lamp assembly.
(Refer to the BD group - "Roof trim")
3.
Check for continuity between the terminals. If the continuity is not as specified, replace the sunroof switch. ...