
1. Front seat heater switch
2. Rear seat heater switch

| Pin | Description | Pin | Description |
| 1 | IGN 1 | 17 | PDW switch |
| 2 | ILL (+) | 18 | PDW IND |
| 3 | 4WD lock swtich | 19 | - |
| 4 | Grip control swtich (+) | 20 | Heater LH |
| 5 | Grip control swtich (-) | 21 | Heater IND High_LH |
| 6 | Driver/Terrain mode symbol | 22 | Heater IND Mid_LH |
| 7 | ISG OFF IND | 23 | Heater IND Low_LH |
| 8 | ISG OFF switch | 24 | Heater RH |
| 9 | - | 25 | Heater IND High_RH |
| 10 | Steering wheel heater switch | 26 | Heater IND Mid_RH |
| 11 | Steering wheel heater IND | 27 | Heater IND Low_RH |
| 12 | SVM switch | 28 | - |
| 13 | - | 29 | DETENT |
| 14 | DBC switch | 30 | - |
| 15 | - | 31 | ILL (-) |
| 16 | LIN | 32 | Ground |
• When removing with a flat-tip screwdriver or remover, wrap protective tape around the tools to prevent damage to components.
• Put on gloves to prevent hand injuries.
• Take care not to bend or scratch the trim and panels.
1.Remove the console upper cover (A).

2.Press the lock pin, separate the connectors (A).

3.Remove the seat heater switch (A) after loosening mounting screws.

1.Install the front seat heater switch.
2.Install the console upper cover.
3.Connect the negative (-) battery terminal.
Seat Heater (Air Ventilation)
Air Ventilation SeatHyundai Tucson (NX4) 2022-2026 Service Manual: Immobilizer Control Unit
- Removal
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 remov ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Smart key precautions. Replacing the battery
Smart key precautions
The smart key may not work if any of the
following occur:
The smart key is close to a radio
transmitter such as radio station or
airport that may interfere with normal
operation of the transmitter.
The smart key is near a mobile two
way radio system or a mo ...