Auto Locksmiths Perth can program transponder keys for many different makes and models of vehicles. Many people ask us what a transponder key is, as most customers don’t know that their car key most likely has one built into the head of the key. A transponder is a microchip that disarms a vehicles immobilizer when the car key is inserted into the ignition. When the car’s key is inserted into the ignition the car’s engine control unit sends a message or equation to be solved by the transponder in the key.
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