Hyundai Tucson: Immobilizer System / Immobilizer Control Unit
1.Disconnect the negative (-) battery terminal.
2.Remove the heater control unit.(Refer to Heating,Ventilation And Air Conditioning - "Heater Control Unit")
3.Loosen the mounting bolt,nut,screw and remove the Integrated Body Control Unit (A).
4.Disconnect the connectors and remove the Integrated Body Control Unit (A).
1.Install the Integrated Body Control Unit.
2.Install the heater control unit.
3.Connect the negative (-) terminal
Repair procedures
- Adjustment
1.In the body electrical system, failure can be quickly diagnosed by
using the vehicle diagnostic system (diagnostic tool).The diagnostic
system (diagnostic tool) provides the foll ...
Antenna Coil
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")
3.Disconnect the 6P connector (B) of the coil antenna and ...
Other information:
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Conditions that Restart the
Engine
The engine is automatically restarted if:
The brake vacuum pressure is low.
The engine has stopped for about 5
minutes.
The air conditioning is ON with the fan
speed set to a certain high level.
The front defroster is ON.
The battery is weak.
The cooling and heating performance
...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Highway Driving Assist Settings
Highway Driving Assist
With the ignition switch ON, go to Setup
> Vehicle > Driver Assistance > Driving
Convenience > Highway Driving Assist
(for infotainment system type) from the
Settings menu to turn Highway Driving
Assist on and off.
If Highway Driving Assist is sele ...
