See also:

If the engine overheats
If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine will probably be too hot. If this happens, you should: 1. Pull off th ...

FAST FACTS
1. The Optima makes 200-hp from a standard direct-injection 2.4L 4-cylinder, while achieving best-in-class 24/35-mpg (city/hwy) fuel economy. 2. Optional class exclusive features include a panoram ...

Engine compartment
2.4L 1. Engine Coolant Reservoir 2. Windshield Washer Fluid Reservoir 3. Power Steering Fluid Reservoir* 4. Radiator Cap 5. Engine Oil Filler Cap 6. Engine Oil Dipstick 7. Brake Fluid Reservo ...