Hyundai Elantra: Horn / Repair procedures

Removal

1.	Remove the front bumper cover. (Refer to Body - "Front Bumper Cover")

2.	Remove the high pitch horn and low pitch horn after disconnect the horn connector (A) and loosening the mounting the bolt. [Low Pitch Horn] [High Pitch Horn]

Installation

1.	Install the horns after connect the horn connectors.

2.	Install the front bumper cover.

Inspection

1.	In this vehicle, the horn relay is mounted in the PCB block of the engine compartment relay block.

•	The semiconductor relay inserted in the PCB cannot be replaced.

•	If you need to replace the relay, replace the PCB block and perform the test.

Component Location 1. Horn switch2. Horn relay (Built - in PCB Block)3. Horn (Low pitch)4. Horn (High pitch)5. Clock spring ...

...

Hyundai Elantra AD (2016-2020) Owners Manual: Forward Collision Avoidance (FCA) System (with hyundai smart sense)
The Forward Collision-Avoidance Assist (FCA) system is designed to help detect and monitor the vehicle ahead or help detect a pedestrian in the roadway through radar signals and camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking. WARN ...

Hyundai Elantra AD (2016-2020) Service Manual: Crankshaft Components and Components Location
Components 1. Crankshaft upper bearing2. Crankshaft thrust bearing3. Crankshaft4. Crankshaft lower bearing5. Crankshaft position sensor (CKPS) wheel6. Lower crankcase7. Gasket ...