Toyota TUNDRA 2009 Manual page 372

3-4. Using the hands-free phone system (for cellular phone)
n A shortcut to Redial is available
Press the
n Muting your voice
Your voice can be muted so that the other party cannot hear your voice dur-
ing a call.
To set or cancel: Press
n Call history
Up to 5 phone numbers can be stored in each of the outgoing and incoming
history memories.
n When talking on the phone
l Do not talk simultaneously with the other party.
Keep the volume of the received voice down. Otherwise, voice echo will
l
increase.
376
twice.
and say "Mute".