[police siren] firewall cable passage? (yaris 2013)

[shaunalvarez]

the grommet in the first pic is the first thing I noticed I figured I could poke a hole in it w a screwdriver and run the wires there but im guessing it comes out somewhere behind the glovebox and I tried the normal way of pushing the sides in on the glovebox to drop it down and the plastic is too stiff or too new to push in