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I was under the impression that the "expensive" part of a replacement key is the programming to make it start the car. This way at least I won't lose the 1 key that will start the car and use the door opener to get in and out of the car instead of the key.
I'm not quite sure if I am explaining my idea correctly here.
What's the point of installing this unit then?
I don't quite understand it, apparently.
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