Service Update. Certain vehicles may have various updated software available as part of the radio continuous improvement. A most notable improvements list this software update may correct is located at the end of this bulletin for conditions or concerns a customer may experience. GM will update the software in the radio. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
