Does not have one.
No, there is not.
a kia optima
The 2003 Kia Rio runs on regular unleaded.
The 2003 Kia Sedona runs on regular unleaded.
The 2003 Kia Optima runs on regular unleaded.
The 2003 Kia Sorento runs on regular unleaded.
in the middle
kia's free web site is www.kiatechinfo.com
In the tank,
no there is not one, sorry.
call a mechanic