Hyundai Tucson: Emission Control System / Exhaust Emission Control System

Catalytic Converter

- Description The catalytic converter of the gasoline engine is a three way catalyst. It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from the oxides of nitrogen (NOx). ...

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Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Engine coolant temperature gauge
This gauge indicates the temperature of the engine coolant when the ignition switch is in the ON position. NOTICE If the gauge pointer moves beyond the normal range area toward the H (Hot) position, it indicates the engine coolant is overheating. Do not continue driving with an over ...

Hyundai Tucson (NX4) 2022-2026 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, ...