2009 Toyota 4Runner Navigation Manual - Page 193

08 06.27 OTHER FUNCTIONS D Changing the security code The security code is 4 digits and the default is "0000". Change a new code that is hard for other people to know. When you change the security code, don't forget the code. The dealers cannot unlock the security when you forget it. If you forget the security code, initialize your personal data. When you initialize it, not only the phone book data but also the memory points in the navigation system, etc. will be deleted. (See "Delete personal data" on page 163.) 5U5159F 3. Input the current security code. Each time you touch A, an inputted digit is deleted. 5U5157F 1. Touch "Phone Book Lock". 5U5160F 4. Input the new code. 5U5158F 2. Touch "Change". 5U5161F 5. Touch "Yes". 147