Lexus GS 450h 2008 Owner's Manual page 332

3-4. Using the hands-free system (for cellular phone)
STEP 7
STEP 8
■ Editing a speed tone
Press
STEP 1
Touch
STEP 2
Touch
STEP 3
Touch
STEP 4
Touch
STEP 5
Settings" screen.
STEP 6
330
.
on the "Information" screen.
on the "Telephone" screen.
on the "Settings" screen.
in the "Speed Tone" section of the "Speed Dial
Input the number and touch
.
Touch the desired switch.
Touch the switch to be edited.