Lexus LS460 2011 Owner's Manual page 566

3-5. Using the hands-free system (for cellular phone)

Calling using voice recognition
Speech commands can also be used for "Dial by number", "Dial
by name", "Redial", and "Call history". The procedure below
shows "Dial by name". Follow similar procedures for the other
three operations.
 Dial by name
You can call by giving a voice tag registered in the phonebook.
(P. 561)
Without paddle shift switches
STEP 1
With paddle shift switches
STEP 1
STEP 2 Following the system guidance, wait for the beep, and then
say "Dial by name".
STEP 3
Following the system guidance, wait for the beep, and then
say the desired name.
STEP 4
Following the system guidance, wait for the beep, and then
say the desired number.
534
LS460_EE
Pull .
Press .