Owner's Manual
Page 61
...qualified locksmith can have new ones made using the plug or number on the bar code tag. NOTICE: Your Cadillac has a number of new features that tells the dealer or a qualified locksmith how to have a lot of trouble getting into your vehicle if you ever lock your keys inside. be able to... make extra ignition keys by reading the bar code tag. It has a bar code .attached. But you...
...qualified locksmith can have new ones made using the plug or number on the bar code tag. NOTICE: Your Cadillac has a number of new features that tells the dealer or a qualified locksmith how to have a lot of trouble getting into your vehicle if you ever lock your keys inside. be able to... make extra ignition keys by reading the bar code tag. It has a bar code .attached. But you...