Other information:
Hyundai Tucson (LM) 2010-2015 Owners Manual: Audio Head Unit
1. (EJECT) Ejects the disc.
2.
Convert to Radio mode.
Each time the key is pressed,the mode is changed in order of FM1, FM2, AM,
XM1, XM2, XM3.
3.
Convert to Media Mode
Each time the key is pressed, the mode is changed in order of CD, USB(iPod®),
AUX, My Music, BT Audio.
...
Hyundai Tucson (LM) 2010-2015 Service Manual: Inhibitor Switch Description and Operation
Description
Inhibiter Switch contains two contact points. One of these
points connects the engine startup when the lever is in the N or P
position and turns on the reverse lights. The other contact point
monitors the lever's position (PRND) and is used to control gear setting
signals. ...