1.Connect the DLC cable of diagnostic tool to the data link connector (16 pins) in driver side crash pad lower panel, turn the power on diagnostic tool.

2.Select the 'S/W Management' and 'Car model'.
3.Select the 'Smart Key Unit' and 'Smart Key Code Saving'.

4.Follow the instructions on the screen.

Smart Key Diagnostic
Smart Key UnitHyundai Tucson (NX4) 2022-2026 Service Manual: Manifold Absolute Pressure Sensor (MAPS)
- Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor
and is installed on the surge tank. It senses absolute pressure of the
surge tank and transfers the analog signal proportional to the pressure
to the ECM. By using this signal, the ECM calculates the intak ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Master Cylinder
- Components
1. Reservoir cap2. Reservoir3. Brake booster4. Master cylinder5. Push rod
- Removal
1.Turm ignition switch OFF and disconnect the negative (-) battery cable.
2.Remove the battery.(Refer to Engine Electrical System - "Battery")
3.Disconnect the brake fluid level sensor c ...