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). ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Remote key precautions
The remote key may not work if any of the following occur: The key is in the ignition switch. The maximum operating distance limit is exceeded (about 32 feet (10 m)). The remote key battery is weak. Other vehicles or objects may block the signals. The weather is extremely cold. ...

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: To decrease speed
Push the - switch down and release it immediately to decrease the cruising speed by 1 mph (1 km/h). Push and hold the - switch down to decrease to the nearest multiple of 5 mph (or multiple of 10 km/h) at first, and then decrease by 5 mph (10 km/h) each time. The vehicle s ...