2006 Buick Lucerne Owner's Manual - Page 366
2006 Buick Lucerne Manual
Page 366 highlights
J-Case Fuses JC1 JC2 JC3 Usage Climate Control Fan Rear Defogger Electronic Leveling Control/Compressor Fuses F1 F2 F3 F4 Usage Amplifier (Option) Not Used Interior Lamps Courtesy/Passenger Side Front Turn Signal 5-98