Hitag transponders have been used in a wide variety of car keys as a protective measure ... source programmer that works with these transponder keys, thanks to [Janne Kivijakola].

giving us the word transponder. The use of computers and microchips in vehicles allowed this basic design to be compressed into your car keys and vehicle anti-theft system computer. A simplified ...

Hitag transponders have been used in a wide variety of car keys as a protective measure ... source programmer that works with these transponder keys, thanks to [Janne Kivijakola].

If you are using the correct car key when the immobilizer is engaged, you might need to replace the key as its transponder chip may be faulty. As I learned when the immobilizer warning light ...

Transponder keys: These keys have an embedded chip that communicates with your car's immobilizer system. Replacement involves ...

It has a transponder, and all three of our keys were accounted for (including the spare valet key). Police were polite but not much help; they speculated that thieves had towed the car away or ...