Buick Infotainment System (GMNA-Localizing-U.S./Canada-10999317) -
2018 - CRC - 7/31/17
18 Radio
Multi-Band Antenna
The roof antenna is for SiriusXM
Satellite Radio, OnStar and GPS
(Global Positioning System). Keep
clear of obstructions for clear
reception. If the vehicle has a
sunroof, and it is open, reception
can also be affected.
