If the EPB Malfunction Indicator remains on, comes on while driving, or does not come on when the Engine Start/Stop button is in the ON position, this indicates the EPB may have malfunctioned. Have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.
The EPB Malfunction Indicator may illuminate when the ESC indicator comes on to indicate that the ESC is not working properly, but it does not indicate a malfunction of the EPB.
NOTICE
Hyundai Sonata LF 2014-2019 Owners Manual: Owner Maintenance
WARNING
Performing maintenance work on a vehicle can be dangerous. If you lack sufficient
knowledge and experience or the proper tools and equipment to do the work, have
it done by an authorized HYUNDAI dealer. ALWAYS follow these precautions for performing
maintenance work:
Park your vehicle o ...
Hyundai Sonata LF 2014-2019 Owners Manual: Instrument Cluster Control
Adjusting instrument cluster illumination
When the vehicle's parking lights or headlights are on, press the illumination
control button to adjust the brightness of the instrument panel illumination.
When pressing the illumination control button, the interior switch illumination
intensity is also ...