Toyota 2012 Matrix Owner's Manual page 277

3-4. Using the hands-free phone system (for cellular phone)
Listing the registered data
Selecting "List names" using a voice command causes a list of the
registered data to be read aloud.
When listing is complete, the system returns to "Phonebook".
Pressing the talk switch while the desired data is being read aloud
selects the data, and the following function will be available.
• Dialing: "Dial"
• Changing a registered name: "Change Name"
• Deleting an entry: "Delete Entry"
• Setting a speed dial: "Speed Dial (Set speed dial)"
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Limitation of number of digits
A phone number that exceeds 24 digits cannot be registered.
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