See also:

Catalytic converter
(If installed) Hyundai vehicles are equipped with a monolith type three-way catalytic converter to reduce the carbon monoxide, hydrocarbons and nitrogen oxides contained in the exhaust gas. Exha ...

Certification label
The certification label is located on the driver's door sill at the center pillar. This label shows the maximum allowable weight of the fully loaded vehicle. This is called the GVWR (Gross Vehi ...

SAFETY
The 2011 Sonata has been named a Top Safety Pick by the Insurance Institute for Highway Safety. To earn this safety nod, a car must receive the top score of Good in front-, side-impact, rear and r ...