How can I get lock out code for radio. Put New battery and just got car. on 2001 Oldsmobile Intrigue

just purchased are installed new battery and now I need a lockout code for the radio and security system but did not come with a can I bypass or get the vehicle code or security code. Or is a way to reset?

Asked by for the 2001 Oldsmobile Intrigue
LOOK at all the paperwork in the glove box inclu owners manual.... Contact previous owner......Go to a GM dealer with proof of ownership and get the defalt code..