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: Front Lights
Map lamp 1 (): Touch either button to turn on or off the map lamp. This light produces a spot beam for convenient use as a map lamp at night or as a personal lamp for the driver and the front passenger. Door lamp 2 (): The front or rear room lamps come on when the front or rear doors ...

Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Interior Lights
WARNING Do not use the interior lights when driving in the dark. The interior lights may obscure your view and result in a collision. Do not use the interior lights for extended periods when the vehicle is turned off. Otherwise, the battery discharges. Interior Lights AUTO OFF The in ...