How to wire somthing from inside A volvo 850 to the fuse box.?

I am trying to run a wire from inside my car to the fuse box on my volvo and I can't find any opening to snake the wire to the hood. Does anyone know if there is an opening somewhere in this car.|||you see any hole that has wires running thru it thats the place you go thru should be plenty just follow any wire thru the firewall