Operation CHARM: Car repair manuals for everyone.

The Ignition Key (Transponder)

The ignition key for theft deterrent equipped vehicles is a typical ignition key using a transponder pellet located in the plastic end of the key. This vehicle has the following 2 types of ignition keys:
^ The master key (black plastic end) which may perform the following functions:
^ Start the vehicle.
^ Lock/unlock all of the door locks.
^ Lock/unlock all of the storage compartments.
^ Lock/unlock the rear compartment lid.
^ The valet key (gray plastic end) which may perform the following functions:
^ Start the vehicle.
^ Lock/unlock all of the door locks.
^ The valet key can not perform the following functions:
^ Lock/unlock all of the storage compartments.
^ Lock/unlock the rear compartment lid.

The ignition key transponder value is used in order to determine it a valid ignition key is being used in order to start the vehicle. There are approximately 3 trillion different transponder values available. The transponder values may meet the following conditions:
^ Unreadable
^ Unable to service separately