Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Body Electrical System / Immobilizer System

Description and Operation
- Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobiliz ...

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Hyundai Tucson (NX4) 2022-2026 Service Manual: Auto Lighting Control System
Description and Operation - Description It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination cond ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Description and Operation
- OBD-II Review 1. Overview The California Air Resources Board (CARB) began regulation of On Board Diagnostics (OBD) for vehicles sold in California beginning with the 1988 model year. The first phase, OBD-I, required monitoring of the fuel metering system, Exhaust Gas Recirculation (EGR) ...

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