Motorola C168i - Manual (Page 29)

27 basics
Find it: M > Settings > Security > Phone Lock
> Automatic Lock > On
Note: You can make emergency calls on a locked
phone (. A locked phone still rings or vibrates for
incoming calls or messages, but you need to unlock
it to answer.
unlock your phone
Your service provider may reset the unlock code to the
last 4 digits of your phone number.
At the Enter Unlock Code prompt:
1 Press keypad keys to enter your unlock code.
2 Press OK to unlock your phone.