Multi-Band Antenna
The antenna located on the roof of the vehicle is used for the OnStar, XM 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 and it is open, the performance of OnStar, XM, and GPS can be affected.
See also:
Starter Switch Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before starting this check, be sure there is enough room ...
SBZA Error Messages
The following messages may appear in the DIC:
SIDE BLIND ZONE ALERT SYSTEM OFF: This message indicates that the driver has
turned the system off.
SIDE BLIND ZONE SYSTEM UNAVAILABLE: This message i ...
Speaker Covers
Vacuum around a speaker cover gently, so that the speaker will not be damaged.
Clean spots with just water and mild soap. ...