On each side, there is a hook on the floor. You need to push the cushion towards the rear and lift up. Do that on both sides. The cushion will then just pull out. If your seatbacks don't fold down, I am going to assume it is identical to the G1/2. There are two small bolts on the bottom. Remove these and slide the seatback up. It should come right out.
I had to do this to run the coax for my antenna. It took me an hour to figure it out.
This is also a good time to remove the mouse nests under the seat.
Gone elsewhere in search of a pleasant Taurus/Sable forum run by people who actually care.