I would...

**WARNING** ALL INSTRUCTIONS BELOW, YOU FOLLOW AT YOUR OWN RISK!

A) Follow the dealers instructions for removing the battery cables.
B) Pull both your seats out.
C) Pull up the carpet.
D) Repair each one of the wires you screwed into with butt connectors.
E) Check all fuses and relays
F) Reinstall the battery cables.
G) Pray to God you didn't fry any of the computers.

If this doesn't work, or you don't feel comfortable doing this. Have the car towed to dealer.