See also:

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 ...

Safety-Minded
As with the rest of the Kia line-up, the 2009 Kia Optima is equipped with many safety features as standard equipment. This includes six airbags (dual advanced front and front-seat mounted side as ...

Remote keyless entry
Remote keyless entry system operations Lock (1) All doors (and tailgate) are locked if the lock button is pressed. If all doors (and tailgate) are closed, the hazard warning lights will blink ...