1999 Buick Riviera Owner's Manual - Page 293

yellowblue Fuse 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Usage Air Conditioning Compressor Not Used Not Used Horn Not Used Not Used Cooling Fan #2 Cooling Fan #3 Cooling Fan ABS Main ABS Pump Motor Not Used Horn Not Used The battery and main fuse boxes are located under the rear seat cushion. The battery's ground terminal and some relay wires are exposed. To help avoid damage to the battery and wires, be careful when removing or reinstalling the seat cushion. Do not remove covers from covered parts. Do not store anything under the seat, as objects could touch exposed wires and cause a short. Removing the Rear Seat Cushion To access the battery and main fuse boxes, the rear seat cushion must be removed. You may wish to have your dealer do this for you. NOTICE: 6-61