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: Smart Cruise Control temporarily canceled
Smart Cruise Control is temporarily canceled automatically when: Your vehicle speed is over 120 mph (190 km/h). Your vehicle is stopped for a certain period of time. Your accelerator pedal is continuously depressed for a certain period of time. The conditions for the Smart Cru ...

Hyundai Tucson (NX4) 2022-2025 Owner's Manual: If the Engine Overheats
If your temperature gauge indicates overheating, you experience a loss of power, hear loud pinging or knocking, or the engine may be overheating. If this happens, you must: 1. Pull off the road and stop as soon as it is safe to do so. 2. Shift the gear to P (Park) and apply the parking ...