2008 Cadillac STS Owner's Manual - Page 441

2. Slide the rear of the cushion up and under the seatback so the rear-locating guides hook into the wire loops on the back frame. 3. With the seat cushion lowered, push rearward and then press down on the seat cushion until the spring locks on both ends engage. 4. Check to make sure the safety belts are properly routed and that no portion of any safety belt is trapped under the seat. Also make sure the seat cushion is secured. Rear Underseat Fuse Block There is a fuse block located under the rear seat on the driver's side and passenger's side of the vehicle. The rear seat cushion must be removed to access the fuse blocks. See "Removing the Rear Seat Cushion" listed previously in this section. To access the fuses, push in the two tabs, then lift the cover off. Your vehicle may not have all the fuses listed below. 5-123