https://securityholes.science/....wiki/10_Isuzu_Truck_
How to Use Automotive Keys Properly Automotive keys come in different styles. Some have transponder chips inside their heads, whereas others are flat and operate mechanically via grooves on the tops and bottoms. The first car key technology was simple to duplicate, but later, manufacturers added an electronic chip that contained a unique "password" for your vehicle. This provides an additional layer of security against theft. Transponder key A chip key or transponder is a special key for cars