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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
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.
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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.