secondary air injection system on 2003 Cadillac DeVille

Can you program a replacement keyless entry remote at home or does it need to go to the dealer?

Asked by for the 2003 Cadillac DeVille
1 answer
Some locksmith shops can reprogram keys, perhaps even the AAA can tell you who can do it in your area. After that a repair shop that specialize in GM products may have the software.