TOYOTA 2011 Matrix - Manual (Page 259)

238
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 where 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. 244