There is a gray plastic plug (female) to the left of the main console,
> basically hidden unless you get down on your hands and knees. It is
> circled in red in the picture shown here:
>
>formatting link
> Can anyone tell me what this plug is for?
>
>
That is also the standard location for OBDII connectors in all equipped vehicles. If the connector isn't there, there is supposed to be a label saying where it is located.
Mike