2007 Toyota Prius Owners Manual - Page 240

(f) Setting the security When you set the security, you can prevent people from using some functions of the hands−free system. It is useful when you leave your vehicle with the hotel or you do not want others to see the data you registered. When you set or unlock the security, you have to input the security code. Be sure to change the default code when you use the security for the first time. 27p300 27p301 b) all at once 2. Touch the "Yes" switch. 1. Touch the "Delete All" switch on the "Outgoing Calls" or "Incoming Calls" screen. 223