Small plastic screw next to seat mounts

[GunMetalGrey]

Can find them on realoem, but they are plastic screws that have a large head, and are right near the mounting rails of the front seats, only on the outer side. Any clue?

[stumble_t]

is this it?



19 SCREW PLUG 7/16"X18;SCHW. 51711913007 $1.09

[GunMetalGrey]

Im not sure, I am just wondering what that hole is for.

[stumble_t]

floor drain