See also:

BRAKE PAD WEAR WARNING SOUND
The front disc brake pads have wear indicators that should make a high-pitched squealing or scraping noise when new pads are needed. The sound may come and go or be heard all the time when the veh ...

Indicator symbols on the instrument cluster
...

Catalytic Converter
Hyundai vehicle is equipped with a monolith type three-way catalytic converter to reduce the carbon monoxide, hydrocarbons and nitrogen oxides contained in the exhaust gas. Exhaust gases passing ...