Locate the seat bolts. There are two bolts at the front of the seat, and two at the back.
Use a socket wrench to loosen the bolts, but do not remove them completely.
Slide the seat forward as far as it will go.
Lift the front of the seat up and off the bolts, then slide the seat backward and lift the back of the seat up and off the bolts.
Remove the bolts completely.
Lift the seat out of the car.
To reinstall the seat, simply reverse the steps above.
