2012 Toyota Prius Owners Manual - Page 626

3-3. Using the Bluetooth® audio system Deleting a registered phone number STEP 1 Select "Delete contacts" using . STEP 2 Select the desired phone number using (YES). and press To delete all of the registered phone numbers, select "All delete" using and press (YES). 3 Deleting another cellular phone's phonebook Interior features STEP 1 Select "Delete other PB" using . STEP 2 Select the desired phonebook using (YES). and press Setting call volume STEP 1 STEP 2 Select "Call Volume" using Change the call volume. To decrease the volume: Turn . counterclockwise. To increase the volume: Turn clockwise. 315