Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
Performance
Subcompact buyers have been treated poorly in the performance department.
Inexpensive engines and transmissions have resulted in subpar mileage numbers
despite the fact that the subcompacts weigh ...
Adding equipment to or modifying your air bag-equipped vehicle
If you modify your vehicle by changing your vehicle's frame, bumper system, front
end or side sheet metal or ride height, this may affect the operation of your vehicle's
air bag system. ...
Safety
The Hyundai Sonata is one of only two cars on the market to have received
both a Top Safety Pick designation from the Insurance Institute for Highway
Safety and a five-star overall safety rating f ...