When the active ECO is operating, the ECO indicator is green.
WARNING
Do not continuously monitor the indicator while driving. It may distract you while driving and may cause an accident that results in severe personal injury.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Air cleaner
Filter replacement
The air cleaner filter can be cleaned for inspection using compressed air.
Do not attempt to wash or to rinse it, as water will damage the filter. If soiled,
the air cleaner filter must be replaced.
1. Loosen the air cleaner cover attaching clips and open the cover.
...
Hyundai Tucson (LM) 2010-2015 Owners Manual: Basic Mode Screen
1. Mode Displays currently operating mode.
2. Operation State From Repeat/Random(Shuffle)/ Scan, displays the currently
operating function.
3. File Index Displays the current file number.
4. File Info Displays information about the current file.
5. Play/Pause Changes the play/pause state.
6 ...