Kia OPTIMA HYBRID Emergency Rescue Manual Manual page 6

Optima HEV Identification
4
VIN number
The VIN (Vehicle Identification Number) identifies the Hybrid Electric Vehicle with a ―C‖
in the 8th digit, as shown below.
The VIN can be found:
1) Underneath the front passenger seat, and
2) On the vehicle certification label attached to the driver side center pillar.
XXXXXXXCXXXXXXXXX
8th digit