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: Snow or Icy Conditions. Tire chains
You need to keep sufficient distance between your vehicle and the vehicle in front. Apply the brakes gently. Speeding, rapid acceleration, sudden brake applications, and sharp turns are very hazardous practices. When decelerating, use engine braking to the fullest extent. Sudden brake ...

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Sunroof Inside Air Recirculation. Auto Dehumidify
Sunroof Inside Air Recirculation (if equipped) When the sunroof is opened, the fresh mode is automatically selected. If you press the air intake control button, the recirculation mode is selected but changes back to the fresh mode after 3 minutes. When the sunroof is closed, the air i ...