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 ...

Air cleaner
Element replacement Have the air cleaner element checked and replaced in accordance with the maintenance schedule. NOTICE Do not drive with the air cleaner removed; this will result in excessi ...

Engine number
The engine number is stamped on the engine block as shown in the drawing. ...