These two warning lights illuminate at the same time while driving:
When the ABS and regular brake system may not work normally.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
WARNING
Electronic Brake force Distribution (EBD) System Warning Light
When both ABS and Parking Brake & Brake Fluid Warning Lights are on, the brake system will not work normally and you may experience an unexpected and dangerous situation during sudden braking.
In this case, avoid high speed driving and abrupt braking.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
Information - Electronic Brake force Distribution (EBD) System Warning Light
When the ABS Warning Light is on or both ABS and Parking Brake & Brake Fluid Warning Lights are on, the speedometer, odometer, or tripmeter may not work. Also, the EPS Warning Light may illuminate and the steering effort may increase or decrease.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
Hyundai Sonata LF 2014-2019 Service Manual: Idler Components and Components Location
Components
1. Idler
...
Hyundai Sonata LF 2014-2019 Service Manual: Front Door Inside Handle Repair procedures
Replacement
1.
Remove the front door trim.
(Refer to Front Door - "Front Door Trim")
2.
After loosening the mounting screws, then remove the front door inside handle (A).
3.
Install in the reverse order of removal.
•
Make sure the door locks/unlocks and open ...