Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
SAFETY
The 2011 Sonata has been named a Top Safety Pick by the Insurance Institute
for Highway Safety. To earn this safety nod, a car must receive the top score of
Good in front-, side-impact, rear and r ...
Manual transaxle operation
The manual transaxle has 6 forward gears.
This shift pattern is imprinted on the shift knob. The transaxle is fully synchronized
in all forward gears so shifting to either a higher or a lower gear ...
Filter inspection
The climate control air filter should be replaced according to the Maintenance
Schedule. If the vehicle is operated in severely air-polluted cities or on dusty
rough roads for a long period, it sh ...