See also:

FULLY LOADED YET DISAPPOINTING INTERIOR
The same cannot be said for the interior. While the swooping design of the dash is nice, it’s really only visible on the passenger side. As for the temperature controls, they appear out of place ...

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 ...

Engine compartment
1. Engine coolant reservoir ...................7-12 2. Engine oil filler cap............................7-11 3. Brake fluid reservoir ..........................7-14 4. Air cleaner................ ...