See also:

Four wheel drive (4WD)
Engine power can be delivered to all front and rear wheels for maximum traction. Full-time 4WD is useful when extra traction is required on road, such as, when driving on slippery, muddy, wet, ...

Roomy New Interior
However, the Optima's quiet new interior is more upscale and will accommodate four tall adults, or five in a pinch. Front seats are supportive, and the rear-seat area is impressively roomy—alt ...

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 ...