Wondering if any of you guys know if my van has some kind of ignition immobilser. The van has no central locking, just manual locks all round & has a key that has the spring loaded button that at sometime had light in it. Opened it up & looks to have a tiny black "brick" shaped item in there. The guy at the key cuttin place said if its after a certain date it will have the chip in it? (2003 2.5 tdi) Also will a standard key open the doors but not start the van?