Buick 2001 Park Avenue Owner's Manual page 337

Rear Compartment Fuse Block
Additional fuses are located in the fuse center under
the rear seat.
Mini Relay Usage
1 Heated Backlite
6-74
Micro Relays Usage
2 RAP
3 Trunk Release
4 ELC
Circuit Usage
Breakers
5 Power Seat
6 ELC Sensor,
ELC Compressor Solenoid
Minifuses Usage
7 Crank
8 Auxiliary Outlet
9 PCM/CRU
10 SBM Module
11 Radio/Phone
12 Sunroof
13 Spare
14 CD Changer, Phone