2000 Chevrolet Impala Q&A

2000 Chevrolet Impala Question: After replacing ignition lock cylinder does the computer need to be reprogramed

I need to replace my igniton lock cylinder in my 2000 impala. After the replacement does the computer need to be reprogramed -
Answer 1
I changed it in my wifes cavalier had to let it set for 24 hrs computer then recognized new lock radio may need to have theft code set -
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Suppose I replace the ignition lock cylinder and case, and the car needs to be reprogrammed at dealer, will I need a tow to the dealer?!