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.
Satellite Radio Antenna
Audio PlayersDeployment Outside Vehicle for Seat Belt Pretensioners
Deploy the seat belt pretensioners outside of the vehicle when the vehicle
will be returned to service. Situations that require deployment
outside of the vehicle include the following:
Using the SIR diagnostics, you determine that the seat belt pretensioner
is malfunctioning.
The pretens ...
Filling a Portable Fuel Container
WARNING
Filling a portable fuel container while it is in the vehicle can cause fuel
vapors that can ignite either by static electricity or other means. You or others
could be badly burned and the vehicle could be damaged. Always:
• Use approved fuel containers.
• Remove the container from the ...
Object Detection System Messages
PARK ASSIST OFF
This message displays when the park assist system has been turned off or when
there is a temporary condition causing the system to be disabled.
SERVICE PARK ASSIST
This message displays if there is a problem with the Ultrasonic Rear Parking
Assist (URPA) system. Do not use thi ...