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:
Smart key precautions
✽ NOTICE
If, for some reason, you happen to lose your smart key, you will not
be able to start the engine. Tow the vehicle, if necessary, and contact an authorized
HYUNDAI dealer.
A ...
Power brakes
Your vehicle has power-assisted brakes that adjust automatically through normal
usage.
In the event that the power-assisted brakes lose power because of a stalled engine
or some other reason, you ...
Tire maintenance
In addition to proper inflation, correct wheel alignment helps to decrease tire
wear. If you find a tire is worn unevenly, have your dealer check the wheel alignment.
When you have new tires instal ...
