pull the seat base out and then you will see 2 bolts that hold the seat back down to the floor, take the bolts out and the back will come out.
Remove lower seat bottom. Remove two bolts from bottom of seat back. Lift seat back off of its hooks. Remove from car. Use Philips screwdriver to remove 4 screws holding speaker grille to seat back frame.
take the lid off the master cylinder reservoir and fill the reservoir completely and put the lid back on.
how to get to it on the car,how long does it take.
Disconnect the battery cables and then unplug any wires underneath the seat and there are 4 nuts on studs that hold the seat in, take the nuts off the studs and pull the seat out.
there should be two bolts behind the passenger seat, take those out. pull the strap on the passenger seat forward and pull the seat back. after you take the passenger seat off you can see the bolts for the front seat, take them off and back the seat out of the lip.
If it has bucket seats there are 4 nuts on each seat that hold it to the floor as the seat sits on studs, take the nuts off the 4 studs and unplug any wiring harnesses under the seat and then lift seat off the studs and take it out.
Take out the bench seat, and remove the back, take a look. Holes are small.
To remove the back seat from a 2005 Buick LeSabre, start by locating the two release levers or bolts at the base of the seat cushion. Pull the levers or remove the bolts to release the cushion from its clips. Then, lift the seat cushion up and out of the car. For the seatback, check for any bolts or clips at the bottom and remove them before tilting the seatback forward and lifting it out.
Doesn't it have a key lock also?, if not you will have to take the back seat out and crawl through and open it from the inside, there should be a handle on the lock on the inside of the trunk that you can pull and it will open.
On newer models, you have to move the seat all the way forward, remove side trim cover, remove seat belt anchor bolt, remove seat rails retaining bolts, tilt seat upward, disconnect wires, remove seat...
very carefully
it is under the back seat you need to take off the back seat