See also:

Interior Features
Test drivers say the Rio and Rio5 have easy-to-read gauges and generally like the layout of the dash, but the praise ends there. The Rio’s barebones interior comes with a four-speaker audio syst ...

Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

By the numbers
The Kia Optima is a five-seat mid-size segment passenger car that has an interior that the EPA will probably consider a full size interior. Longer, lower and wider than the vehicle it replaces, it ...