The indicator light illuminates when the cruise control system is enabled.
The cruise indicator light in the instrument cluster is illuminated when the cruise control ON-OFF button on the steering wheel is pushed.
The indicator light turns off when the cruise control ON-OFF button is pushed again.
Hyundai Tucson (LM) 2010-2015 Owners Manual: Indicator lights
When the ignition switch is placed to the ON position, the ESC indicator light
illuminates, then goes off if the ESC system is operating normally.
The ESC indicator light blinks whenever the ESC is operating.
If ESC indicator light stays on, your vehicle may have a malfunction with the
ESC s ...
Hyundai Tucson (LM) 2010-2015 Owners Manual: In case of an emergency while driving
If the engine stalls while driving
Reduce your speed gradually, keeping a straight line. Move cautiously off
the road to a safe place.
Turn on your hazard warning flasher.
Try to start the engine again. If your vehicle will not start, contact an
authorized HYUNDAI dealer or seek other ...