Transferring Audio from the Bluetooth System to a Cell Phone
During a call with the audio in the vehicle:
1. Press 
.
2. Say “Transfer Call.”
See also:
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Malfunction Indicator Lamp
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Retrieve My Number
1. Push X. System responds: “OnStar ready.”
2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...