Function malfunction

When High Beam Assist is not working properly, the ‘Check High Beam Assist (HBA) system’ or ‘Check HBA (High Beam Assist) system’ warning message will appear and warning light will illuminate on the cluster. Take your vehicle to an authorized HYUNDAI dealer and have the function checked.
Limitations of the function
High Beam Assist may not work properly in the following situations:
WARNING
Display and control • After selecting ‘High Beam Assist’ in the Settings menu, High Beam Assist will operate by following the procedure below.
WARNING Do not use the interior lights when driving in the dark. The interior lights may obscure your view and cause an accident. NOTICE Do not use the interior lights for extended periods when the vehicle is turned off or the battery will discharge.
Description and operation DescriptionIt's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or
Repair procedures Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the heater core cover (A) after loosening the mounting screws.4.Pull out the evaporator core (A) from the heater unit.