See also:

SOLID RIDE WITH POWER TO SPARE AND EXCELLENT FUEL ECONOMY
In terms of driving characteristics, the Optima is very much in keeping with the Hyundai Sonata, which shares the same platform. The cabin is quiet and the drive is smooth, with the Optima feeling ...

Explanation of scheduled maintenance items
Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...

Climate control air filter
The climate control air filter installed behind the glove box filters the dust or other pollutants that come into the vehicle from the outside through the heating and air conditioning system. I ...