Hyundai Sonata: Catalytic Converter. Description and Operation
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).
There are two types of three-way catalyst; Palette type and Monolith type.
[SULEV]

[ULEV]

Description and Operation
Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine
modifications and the addition of special control components.
Modifications to the combustion chamber, ...
CVVT (Continuously Variable Valve Timing) System. Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the
valve timing of the intake and exhaust valve in accordance with the ECM control
signal which is calculated ...
See also:
Sound settings
Press the key - Select [Sound]
through TUNE knob or
key Select menu through
TUNE knob
Sound Settings
This menu allows you to set the ‘Bass, Middle, Treble’ and the Sound Fader and
Bala ...
Floor mat anchor(s)
When using a floor mat on the front floor carpet, make sure it attaches to the
floor mat anchor(s) in your vehicle. This keeps the floor mat from sliding forward.
WARNING
The following must be ...
Changing the coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance
Schedule at the beginning of this section.
CAUTION
Put a thick cloth or fabric around the radiator cap before refi ...
