Lexus GS 450h2011 Manual page 364

3-4. Using the hands-free system (for cellular phone)
Speaking on the phone
The following screen is displayed when speaking on the phone.
■ To adjust the incoming call volume
Touch "-" or "+". You can also adjust the volume using the steering
switches.
■ To prevent the other party from hearing your voice
Touch "Mute".
■
Inputting tones
When using phone services such as an answering service or a bank,
you can store phone numbers and code numbers in the phonebook.
Touch "0-9".
STEP 1
STEP 2
Confirm the number displayed on the screen, and touch "Send".
STEP 3
If you touch "Exit", this function will end.
364
GS_HV_U (OM30C14U)
June 2, 2010 10:30 am
Input the number.
If repeated tone symbols
stored in the phonebook, "Send"
and "Exit" are displayed on the
right side of the screen.
*
: Repeated tone symbols are
symbols or numbers displayed
as p or w, that come after the
phone number. 
(e.g. 056133w0123p#1✽)
*
are