
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: PTC Heater
- Description
The PTC (Positive Temperature Coefficient) heater is installed at the
exit or the backside of the heater core.The PTC heater is an electric
heater using a PTC element as an auxiliary heating device that
supplements deficiency of interior heat source in highly effective
diese ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Radars
Front radar
The front radar is mounted behind the
front grill.
Rear corner radar
The rear corner radars are mounted near
the rear corners of your vehicle above
the bumper.
WARNING
To prevent serious injury or death:
Never disassemble the radar or radar
assembly, and never apply ...