Transferring Audio to the Bluetooth System from a Cell Phone
During a call with the audio on the cell phone, press 
. The audio transfers to the vehicle. If the audio does not transfer to the vehicle, use the audio transfer feature on the cell phone. See your cell phone manufacturer's user guide for more information.
See also:
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Using the “Dial” or “Call” Command
1. Press and hold for two seconds.
2. Say “Dial” or “Call.” 3. Say the entire number without pausing, or say the name tag.
Once connected, the person called will be heard through the audio ...