USB Connectors
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Several USB Connectors may be available on the vehicle depending on the Radio configuration. The Navigation Control Module should have a USB connector located in either the trunk or armrest that interfaces directly with the unit, this port may be used for map and software updates as well as to play MP3 music files. However not all portable media player devices or file types are compatible. Refer to the owner's manual for information on USB devices, control and operation.