Listing All Paired and Connected Phones
The system can list all cell phones paired to it. If a paired cell phone is also connected to the vehicle, the system responds with “is connected” after that phone name.
1. Press and hold 
for two seconds.
2. Say “Bluetooth.” 3. Say “List.”
See also:
File System and Naming
The song name that displays is the song name that is contained in the ID3 tag. If the song name is not present in the ID3 tag, then the radio displays the file name without the extension (such as .mp3 ...
Inserting a CD(s) (Six-Disc CD Player)
LOAD : Press to load CDs into the CD player. This CD player holds up to six CDs.
To insert one CD:
1. Press and release the LOAD button.
2. Wait for the message to insert the disc.
3. Load a CD. I ...
Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this. ...