Lexus ES350 Manual page 601

600
5-4. Using the audio system
Locking or unlocking the phone book
Select "Phonebook Lock (Phbk Lock)" or "Phonebook Unlock (Phbk
1
Unlock)" using a voice command or
Input the PIN by either of the following methods and select "Confirm"
2
using a voice command or
a. Press the talk switch and say the registered PIN.
b. Input a new PIN using
Setting voice guidance volume
Select "Guidance Vol" using
1
Change the voice guidance volume.
2
To decrease the volume: Turn
To increase the volume: Turn
ES350_300h_OM_OM33A60U_(U)
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:
.
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counterclockwise.
clockwise.