Our experienced auto locksmiths in Liverpool can make new keys to existing vehicle locks and erase old keys from the immobilizer system, rendering the lost keys useless to anyone who has them. This can all be done by the roadside, usually within 1 hour of arriving at the vehicle, allowing you to get back on the road with very little inconvenience. An ECU is a computer that runs the engine in all modern day vehicles. If you lose your keys then the ECU will need to be reprogrammed or viginised, this usually is an expensive job that has to be carried out by a dealer, with our latest diagnostic equipment this can now be achieved without going to the manufacturerssaving on some cars in excess of 600.