I just got my first car (used). I want to get a replacement key but my partner says I have to go to the dealership. Why can’t I just rekey my existing key at Home Depot? What’s this chip thing in keys that I heard about?
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Most cars built in the last 15 years have an RFID chip in them as an anti-theft measure. When you turn the key to start the car, electronics in the car attempt to detect the chip to verify that the key is legitimate and the car isn’t being stolen. If the chip is not detected, then it will not allow the car to start.
You can look up the procedure to program your key online, and for many cars it is incredibly simple, especially if you already have a key that works. What you will need to do is have a new, correct style, key cut by a locksmith, auto parts store or hardware store.
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