See also:

Gauges
Speedometer The speedometer indicates the forward speed of the vehicle. Tachometer The tachometer indicates the approximate number of engine revolutions per minute (rpm). Use the tachometer to ...

Indicator symbols on the instrument cluster
...

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 ...