The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM-FM radio, OnStar, the SiriusXM Satellite Radio Service System, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.
If the vehicle has a sunroof, the performance of the features listed above may be affected if the sunroof is open.
Front Side Door Window Weatherstrip Replacement
Front Side Door Window Weatherstrip Replacement
Callout
Component Name
Preliminary Procedures
Remove front side door trim panel. Refer to Front Side Door Trim
Replacement.
Remove the outside rearview mirror. Refer to Outs ...
Battery Tray Replacement
Battery Tray Replacement
Callout
Component Name
Preliminary Procedures
Remove the battery. Refer to Battery Replacement.
Unclip the engine control module (ECM) bracket from the battery
tray and set aside.
Unclip the ...
Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...