
1. Horn switch
2. Horn relay
3. Horn (Low pitch)
4. Horn (High pitch)
5. Clock spring
1.Remove the front bumper assembly.(Refer to Body - "Front Bumper Assembly")
2.Remove the bolts and disconnect the horn connectors (C), then remove the high pitch horn (B) and low pitch horn (A).


1.Install the horns after connecting the horn connectors.
2.Install the front bumper cover.
1.Remove the horn relay (A) from the engine room relay box.
2.There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
3.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.



Hyundai Tucson (NX4) 2022-2026 Service Manual: A/C Pressure Transducer
- Description
The A/C Pressure Transducer (APT) converts the pressure value of high
pressure line into voltage value after measuring it. By converted
voltage value, engine ECU controls the cooling fan by operating it high
speed or low speed. Engine ECU stops the operation of the compressor ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Forward Collision–Avoidance Assist (FCA) (Sensor fusion)
Basic function
Forward Collision-Avoidance Assist uses
the front view camera and front radar to
help detect a vehicle, a pedestrian, or a
cyclist ahead on the road. The function
may warn you with a warning message
on the instrument cluster and an audible
warning if a collision is immi ...