GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Lucerne 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Keyless Entry Component Views
Figure 1:

Behind The Rear Seat
Object Number: 1707100 Size: LF
(1)Remote Control Door Lock Receiver (RCDLR)
(2)Rear Park Assist Indicator (UFR)
(3)Speaker - Right Rear
(4)Vehicle Communication Interface Module (VCIM) (UE1)
(5)Amplifier (UQA)
(6)Rear Compartment Courtesy Lamp
(7)Speaker - Left Rear
Figure 2:

Front of Engine Compartment
Object Number: 1706947 Size: LF
(1)Hood Ajar Switch (AP3 / AP8)