It says that Buick century limited has two fuse box one in instrument panel under dash and under hood.But in old buick service manual,not in newer manual.The old buick manual says in some cars the fuse box is also located under the back seat on the driver's side. Lift the back seat by pushing on the front of it and lifting. Push the front of the seat toward the back to clear the latches.---------Also check fuse box under the hood on the drivers side of the car near the strut tower.---------------Keep updated.Thanks.Helpmech. It says that Buick century limited has two fuse box one in instrument panel under dash and under hood.But in old buick service manual,not in newer manual.The old buick manual says in some cars the fuse box is also located under the back seat on the driver's side. Lift the back seat by pushing on the front of it and lifting. Push the front of the seat toward the back to clear the latches.---------Also check fuse box under the hood on the drivers side of the car near the strut tower.---------------Keep updated.Thanks.Helpmech.

Keep updated.Thanks.Helpmech.' Keep updated.Thanks.Helpmech.'