See also:

Steering gear box, linkage & boots/lower arm ball joint
With the vehicle stopped and engine off, check for excessive free-play in the steering wheel. Check the linkage for bends or damage. Check the dust boots and ball joints for deterioration, cracks, ...

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. ...

2010 Hyundai Genesis Coupe review By Mike Hanley
Hyundai is on a mission in the U.S., diving headlong into new segments and challenging automotive norms. The full-size Genesis luxury sedan that the automaker debuted for 2009 shows that you can g ...