2012 Toyota Avalon Owners Manual - Page 314

3-4. Using the hands-free system (for cellular phone) Locking or unlocking the phone book STEP 1 Select "Phonebook Lock" or "Phonebook Unlock" by using a voice command or . STEP 2 Input the PIN by either of the following methods and select "Confirm" by using a voice command or : a. Press the talk switch and say the registered PIN. b. Input a new PIN by using . Setting voice guidance volume STEP 1 Select "Guidance Volume" by using Change the voice guidance volume. To decrease the volume: Turn . STEP 2 counterclockwise. To increase the volume: Turn clockwise. 334