See also:

Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...

Safety
The Hyundai Sonata is one of only two cars on the market to have received both a Top Safety Pick designation from the Insurance Institute for Highway Safety and a five-star overall safety rating f ...

SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient continues with a six-speed automatic transmission with SHIFTRONIC manual control or a standard six-speed manual transaxle ...