Hyundai Tucson: Emission Control System / Exhaust Emission Control System

Fuel Filler Cap

- Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and ...

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). ...

Other information:

Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Seat Warmers
Seat warmers are provided to warm the seats during cold weather. During mild weather or under conditions where the operation of the seat warmer is not needed, keep the seat warmers off. WARNING The seat warmers may cause serious burns, even at low temperatures and especially if used for ...

Hyundai Tucson (NX4) 2022-2025 Owner's Manual: To temporarily accelerate
If you depress the accelerator pedal above a certain speed while Smart Cruise Control is operating, your vehicle can speed up temporarily without changing the set speed. The set speed, distance level, and target distance blink on the instrument cluster while depressing the accelerato ...