This warning light illuminates when the tailgate is not closed securely.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Occupant Classification System (OCS)
Your vehicle is equipped with an Occupant Classification System (OCS) in the
front passenger's seat.
The OCS is designed to detect the presence of a properly-seated front passenger
and determine if the passenger's front air bag should be enabled (may inflate) or
not. The driver's front ai ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: How vehicle audio works
AM and FM radio signals are broadcast from transmitter towers located around
your city. They are intercepted by the radio antenna on your vehicle.
This signal is then processed by the radio and sent to your vehicle speakers.
When a strong radio signal has reached your vehicle, the precise engi ...