Hyundai Sonata: Lane Departure Warning System (LDWS) / Lane Departure Warning System (LDWS) Unit Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

2.	Remove the LDWS unit cover (A).

3.	Disconnect the LDWS unit connector (A).

4.	Remove the LDWS unit after disengaging the mounting bracket (A).

Installation

1.	Align LDWS unit with windshield bracket using forward edge point (A).

Engage snaps and pivot upward to lock point (B).

LDWS unit is fully assembled when a single click sound is hear.

3.	Connect the LDWS unit connector.

4.	Connect the negative (-) battery terminal.

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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 ...