See also:

Warnings and indicators
Warning lights / audible indicators Checking operation All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be che ...

Price Ranges
The base Optima LX is priced at $16,355 with a 4-cylinder engine and 5-speed manual transmission and an extra $1,295 with a 5-speed automatic. An LX V6 costs $19,345 and comes only with the automa ...

Engine cooling system
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 ...