2011 Toyota Sienna Owners Manual - Page 605

3-5. Using the hands-free phone system (for cellular phone) Locking or unlocking the phone book STEP 1 Select "Phonebook Lock (Phbk Lock)" or "Phonebook unlock (Phbk Unlock)" using a voice command or . STEP 2 Input the PIN by either of the following methods and select "Confirm" using a voice command or : a. Press the talk switch and say the registered PIN. b. Input a registered PIN using Setting voice guidance volume . STEP 1 STEP 2 Select "Guidance Volume" using Change the voice guidance volume. To decrease the volume: Turn . counterclockwise. To increase the volume: Turn clockwise. 514