TOYOTA 2012 Avalon - Manual (Page 278)

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3-3. Using the Bluetooth
®
audio system
■
When using a voice command
For numbers, say a combination of single digits from zero to nine.
Say the command correctly and clearly.
■
Situations that the system may not recognize your voice
●
When driving on rough roads
●
When driving at high speeds
●
When air is blowing out of the vents onto the microphone
●
When the air conditioning fan emits a loud noise
■
Operations that cannot be performed while driving
●
Operating the system with
●
Registering a portable player to the system
■
Changing the passkey
→P. 305