Lexus 2012 RX450h Owner's Manual page 503

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Microphone
To use the hands-free system, you must register your Bluetooth
phone in the system. (P. 511)
3-3. Using the Lexus Display Audio system
You can use the microphone
when talking on the phone.
The person you are speaking to
can be heard from the front
speakers.
®
3
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