2012 Toyota Prius Navigation Manual - Page 176
2012 Toyota Prius Manual
Page 176 highlights
2. SETUP 4 Touch the phone type. 1 Touch "Edit Contacts". 5 When 2 or less numbers in total are registered to this contact, this screen is displayed. 2 Touch the desired data to edit. 3 To add a number to this contact, touch "Yes". Touch the desired name or number.