Buick LaCrosse Owner's Manual page 301

11 Front Heater
Ventilation Air
Conditioning/Blower
(J-Case Fuse)
12 Passenger Seat
(Circuit Breaker)
13 Driver Seat (Circuit
Breaker)
14 Diagnostic Link
Connector
15 Airbag/Automatic
Occupant Sensing
16 Trunk
17 Heater Ventilation
Air Conditioning
Controller
18 Pre-Fuse for Fuses
4 and 5
19 Infotainment and
Center Stack
Displays, Head-Up
Display, Preferred
Device Interface
Module, Rear Seat
Infotainment
(eAssist)
20 Rear Seat
Entertainment
Display/Rear Seat
Audio
21 Instrument Panel
Cluster
22 Discrete Logic
Ignition Switch
23 Body Control
Module 3
24 Body Control
Module 2
25 Rear Heater
Ventilation Air
Conditioning/Blower
26 AC/DC Inverter
R1 Trunk Relay
R2 Not Used
R3 Power Outlet Relay