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So I assume that my battery has been going dead since sometimes it would work and sometimes not so much. Replaced the battery but now it doesn’t work. The lock button unlocks the car. The red led sometimes comes on, sometimes doesn’t. I looked up how to program the key after a battery change, that didn’t work. Any ideas?

 
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do you have green key light on dash? It's the immobilizer

 
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I will have to look for that, I don’t recall seeing that

 
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ah, wait, it's the fob not working? I read key programming, so i assumed it was the key, not the fob...