Function malfunction

When Lane Following Assist is not working properly, the ‘Check Lane Following Assist (LFA) system’ warning message will appear on the cluster. If this occurs, we recommend that the function be inspected by an authorized HYUNDAI dealer.
WARNING
For more details on the system precautions, refer to “Lane Keeping Assist (LKA)” section in chapter 7.
Limitations of the function
For more details on function limitations, refer to “Lane Keeping Assist (LKA)” section in chapter 7.
Warning and control Lane Following Assist If the vehicle ahead and/or both lane markings are detected and your vehicle speed is below 112 mph (180 km/h), the green indicator light will illuminate on the cluster, and the function will help center the vehicle in the lane by assisting the steering wheel.
Setting functions for the system Highway Driving Assist With the engine on, select or deselect ‘Driver Assistance → Driving Assist’ from the Settings menu to set whether or not to use the following function(s).
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 heater core (A) from the heater unit.
Description and operation DescriptionThe auto defogging sensor is installed on front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives a signal from the sensor and restrains moisture and eliminates defog by the intake actuator, A/C, auto defogging actua