See also:

WORLD CLASS POWER-TO-WEIGHT RATIO
One of the program targets for the 2011 Sonata engineering team was world-class power-to-weight ratio. Power-to-weight ratio pays dividends in both performance and fuel economy. Hyundai Sonata i ...

INTERIOR
Roomy and a step above casual, the Sonata's interior is attractive. The seats' cloth upholstery was thick and nice looking with a checked pattern. Some cars have bizarre shapes and prints in the u ...

Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...