Buick LaCrosse Owner's Manual page 382

Infotainment and
Center Stack
Displays, Head Up
Display, Preferred
19
Device Interface
Module, Rear Seat
Infotainment
(eAssist)
Automatic Occupant
20
Sensing
Instrument Panel
21
Cluster
Discrete Logic
22
Ignition Switch
Body Control
23
Module 3
Body Control
24
Module 2
Rear Heater
25 Ventilation Air
Conditioning/Blower
26 AC/DC Inverter
R1 Trunk Relay
R2 Not Used
R3 Power Outlet Relay
The rear compartment fuse block is
located on the left side of the trunk
behind a cover. Vehicles with
eAssist do not have a rear
compartment fuse block.