OnStar System
Component Location Index
'04 Model
CELLULAR PHONE ANTENNA
Replacement, page
ONSTAR SYSTEM
GPS ANTENNA
ONSTAR CONTROL UNIT
Input Test, '02 3.5RL service
manual supplement, P/N
61SZ306, page 23-59.
ONSTAR SYSTEM RADIO
FREQUENCY MODULATOR
UNIT
Input Test, '02 3.5RL service manual supplement,
P/N 61SZ306, page
23-49
ONSTAR SYSTEM INTERFACE
UNIT
Input Test, page
23-46
23-64
ONSTAR BUTTONS and
MICROPHONE/HOMELINK BUTTONS
Input Test, page
23-48
ONSTAR BUTTON
ONSTAR INDICATOR
EMERGENCY BUTTON