On 19 November 2014 14:34, IVP wrote: > > I am not interested in harming the thief > > Adding a timer, eg to disable the ignition after a period long enough > for the car to get on the road, would have to be done so that the car > comes to rest where it can do no harm. For example you wouldn't > want it to stop dead in the middle of the intersection at the end of > your street or lose power steering in an awkward or dangerous place > I've heard of anti-hijack systems that allow someone to take your car from you at eg traffic lights, as happens*, and the car functions OK for a short distance, thenbegins to"miss" and does so to an increasing extent, until abandoning it (and probably finding another :-( ) becomes an attrractive option. This has the advantage that it may not be realised that it is obvious anmd they may just think they stole a lemon and MAY spare it from major revenge aggro. May. * In some places, I'm told. Little doubt it will come in due course, but not generally known here, yet. Russell --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .