security code reset on 2002 Chevrolet Impala

I locked my keys in car, once retriving keys from car-it will not allow me to start the car. Keys will not even turn ? I need to know the security code so to reset, and how to reset. Thanks.

Asked by for the 2002 Chevrolet Impala
See if this info helps: http://repairpal.com/gm-passlock-security-light-issues
1 answer