GMC Sierra Owners Manual
Satellite Radio AntennaInfotainment System / Radio / Satellite Radio Antenna
The XM Satellite Radio antenna is located on the roof of the vehicle.
Keep the antenna clear of obstructions for clear radio reception.
If the vehicle has a sunroof, the performance of the XM system (if equipped) may be affected if the sunroof is open.
© 2024 www.gmcmaster.com. All Rights Reserved.