How the Transzponder Chip Inside Your Car Key Works
You've probably held a car key a thousand times without giving it a second thought, but that tiny transzponder chip tucked away in the head of the key is doing some heavy lifting every time you turn the ignition. It's one of those silent pieces of technology that we don't really appreciate until it stops working or we're staring at a $200 bill for a replacement. Back in the day, a car key was just a piece of cut metal, but things changed in the mid-90s when car theft became a bit too easy for comfort. ...