See also:

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

Drive belts
Inspect all drive belts for evidence of cuts, cracks, excessive wear or oil saturation and replace if necessary. Drive belts should be checked periodically for proper tension and adjusted as neces ...

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 ...