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:
General checks
Engine Compartment
The following should be checked regularly:
o Engine oil level and condition.
o Transaxle fluid level and condition.
o Brake fluid level.
o Clutch fluid level.
o Engine coolant ...
To decrease the cruising speed
Follow either of these procedures:
o Push the -/SET switch and hold it. Your vehicle will gradually slow down. Release
the switch at the speed you want to maintain.
o Push the -/SET switch and r ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...