The multi-band antenna is on the roof of the vehicle. The antenna is used for 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, and it is open, reception can also be affected.
#06-00-89-026L: Warranty Administration - Revised Customer Concern Not Duplicated (CCND)/Verified Labor Operation Numbers/How to Submit CCND Transactions...
Subject:Warranty Administration – Revised Customer Concern Not Duplicated (CCND) / VerifiedLabor Operation Numbers/How to Submit CCND Transactions in Global Warranty ManagementModels: 2014 and Prior GM Cars and Light Duty Trucks This bulletin has been revised to update the labor operations. Pl ...