Kia Optima Hybrid (2011)

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    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 ...

    Climate control air filter
    The climate control air filter installed behind the glove box filters the dust or other pollutants that come into the vehicle from the outside through the heating and air conditioning system. I ...

    Ignition switch
    Ignition switch and anti-theft steering column lock Ignition switch position LOCK The steering wheel locks to protect against theft. The ignition key can be removed only in the LOCK position. ...