13[ 68 ]13 Security features• LOCK THE KEYPAD (KEYGUARD)The keypad lock (Keyguard) disables yourkeypad to prevent accidental key presses(for example, when your phone is in yourpocket or purse).Caution: Keyguard does not preventunauthorized use of your phone.Lock/unlock the keys• To lock the keys, press Menu, then .• To unlock the keys, press Unlock, then .Note: Connecting your phone to a car kit automatically disablesKeyguard. Also, Keyguard is automatically disabled during anincoming call, when the alarm is sounding, or when dialing anemergency number (such as 112 or 911).• PIN AND PUK CODESThe following table summarizes how different types of security codes areused in your phone.Code Purpose For moreinformationSecurity code Required by several phonefeatures. If phone security ison, the phone requests thesecurity code the first timeyou use it after installing anew SIM card.See entries for calltimers, calling card,phone book, andphone security.
