Check Spark Plugs and Ignition System
Inspect your spark plugs 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.
See also:
Shop manual
A Hyundai Shop Manual is available from your
authorized Hyundai dealer. It's written for professional
technicians, but is simple enough for
most mechanically-inclined owners to understand. ...
Key operations
(1) Master key (M) Used to start the engine, lock and unlock the doors, lock
and unlock the glove box, and open the trunk.
(2) Sub key (S)
Used only to start the engine and lock and unlock the doo ...
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, ...