By Greg Jessop, Pop-A-Lock The transponder key contains an electronic micro-chip built into the head of the key, which is why some people call them chip keys. Transponder is short for transmitter and responder.  Today’s automotive transponder system consists of: The electronic chip key The antenna ring (induction coil) around your ignition Your car’s computer...Read More

Understanding Transponder Key Systems By Greg Jessop, Pop-A-Lock The transponder key contains an electronic micro-chip built into the head of the key, which is why some people call them chip keys. Transponder is short for transmitter and responder. The basic purpose of transponder key systems is to eliminate auto theft, and therefore it is central...Read More