TRANSPONDER KEYS  
 
MOST cars 1996 (P) reg and on are fitted with a transponder key, there are two types
FIXED & ROLLING code keys, we are only able to copy FIXED.
approximately  60% of cars have a fixed code key.
 

the engine management system of your car, calls to your key for a code that is embedded in the head of your key   we read that code with this machine   then we write that code to a new key