See also:

Overview
Hyundai introduced its all-new 2011 Hyundai Sonata at the 2009 Los Angeles Auto Show. This marked the North American debut of the latest version of the popular midsize sedan, introducing Hyundai's ...

Air cleaner filter
A Genuine HYUNDAI air cleaner filter is recommended when the filter is replaced. ...

Exhaust pipe and muffler
Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration, or damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace part ...