1999 Buick LeSabre Owner's Manual - Page 298
1999 Buick LeSabre Manual
Page 298 highlights
yellowblue Passenger's Side Fuse Block Additional fuses are located in the relay center, on the passenger's side, below the instrument panel. You must remove the sound insulator on the right side of the passenger footwell to replace these fuses. Since the replacement of these fuses can be difficult, we recommend that you see your dealer for fuse replacement. 6-62