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: Relay Box (Passenger Compartment) Description and Operation
Description
Auto Cut System Of Dark Current
AbbreviationExpalnationACUAirbag Control UnitADMAssist Door ModuleB_CANBody Controller Area NetworkBCMBody Control ModuleBSDBlind Spot DetectionC_CANChassis Controller Area NetworkCLUCluster ModuleDATCDual Automatic Temp ControlDDMDriver Door ModuleE ...
Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Removal
•
Put on gloves to protect your hands.
•
Use seat covers to avoid damaging any surfaces.
1.
Remove the roof side molding.
(Refer to Body Side Moldings - "Roof Side Molding")
2.
Remove the front pillar trim.
(Refer to ...