Kia Optima (2009)

    See also:

    Explanation of scheduled maintenance items
    Engine oil and filter The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and fi ...

    Comfort
    While the front cabin in the Rio offers a bit more head room than the typical sedan, there honestly isn't much of a difference. While the rear of the typical sedan provides a bit more head- and le ...

    Road warning
    Hazard warning flasher The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle. It should be used whene ...