Lexus ES350 Service Manual page 361

Microphone
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It is not necessary to speak directly into the
microphone when using the Mobile Assistant.
Wait for the listening beeps before using the Mobile Assistant.
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The Mobile Assistant may not recognize commands in the following situations:
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• When spoken too quickly.
• When spoken at a low or high volume.
• When the roof or windows are open.
• When passengers are talking while the Mobile Assistant is being used.
• When the air conditioning system' s fan speed is set high.
• When the air conditioning vents are turned toward the microphone.
Mobile Assistant precautions
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The available features and functions may vary based on the iOS version installed on the
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connected device.
Some Siri features are limited in Eyes Free mode. If you attempt to use an unavailable
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function, Siri will inform you that the function is not available.
If Siri is not enabled on the cellular phone connected via Bluetooth
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will be displayed on the screen.
While a phone call is active, the Mobile Assistant cannot be used.
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If using the navigation feature of the cellular phone, ensure the active audio source is
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Bluetooth audio or iPod in order to hear turn by turn direction prompts.
ES350_OM_OM33B64U_(U)
5-12. Other function
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