See also:

Engine oil
Checking the engine oil level 1. Be sure the vehicle is on level ground. 2. Start the engine and allow it to reach normal operating temperature. 3. Turn the engine off and wait for a few minute ...

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 ...

Climate control system
1. Temperature control knob 2. Air conditioning button (if equipped) 3. Air intake control button 4. Mode selection knob 5. Fan speed control knob Fan speed control knob Four (4) adjustable ...