The immobilizer system helps protect your vehicle from theft. If an improperly coded key (or other device) is used, the engine’s fuel system is disabled.
When the ignition switch is in the ON position, the immobilizer system indicator should come on briefly, then go off. If the indicator starts to blink, the system does not recognize the coding of the key.
Move the ignition switch to the LOCK/ OFF position, then to the ON position again.
The system may not recognize your key’s coding if another immobilizer key or other metal object (e.g. key chain) is near the key. The engine may not start because the metal may interrupt the transponder signal from transmitting normally.
If the system repeatedly does not recognize the coding of the key, contact an authorized HYUNDAI dealer.
Do not attempt to modify this system or add other devices to it. Electrical problems may occur making your vehicle inoperable.
Information
To prevent theft of your vehicle, do not leave spare keys anywhere in your vehicle. Your immobilizer password is a customer unique password and should be kept confidential.
NOTICE
Avoid exposing the key to moisture, static electricity, and rough handling. The Immobilizer system may malfunction.
Hyundai Tucson (LM) 2010-2015 Service Manual: Front Door Components and Components Location
Components
1.Door inside handle housing2. Door trim3. Door belt inner weatherstrip 4. Door screen 5. Door module 6. Quadrant inner cover 7. Door panel 8. Door belt outside weatherstrip9. Door side weatherstrip10. Body side weatherstrip11. Door hinge
...
Hyundai Tucson (NX4) 2022-2023 Owner's Manual: Fuses
A vehicle’s electrical system is protected
from electrical overload damage by
fuses.
This vehicle has 2 (or 3) fuse panels, one
located in the driver’s side panel bolster,
the other in the engine compartment.
If any of your vehicle’s lights,
accessories, or controls do not work, ...