Toyota 2009 Matrix Owner's Manual page 236

Selecting the cellular phone to be used
STEP 1
Select "Select Phone" by using a voice command or
Pattern A
STEP 2
Select the cellular phone to be used by either of the following
methods, and select "Confirm" by using a voice command or
:
a. Press the talk switch and say the desired phone name.
b. Press the talk switch and say "List phones". While the name
of the desired cellular phone is being read aloud, press the
talk switch.
Pattern B
STEP 2
Select the cellular phone to be used by using
Changing a registered name
STEP 1
Select "Change Name" by using a voice command or
STEP 2
Select the name of the cellular phone to be changed by either
of the following methods:
a. Press the talk switch and say the desired phone name, and
select "Confirm" by using a voice command or
b. Press the talk switch and say "List phones". While the
desired phone name is being read aloud, press the talk
switch.
c. Select the desired phone name by using
3-3. Using the hands-free phone system (for cellular phone)
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