NavTrak do a system featured on all Ferraris sold in the UK. It has a drivers recognition card. If not present the control center is alerted. Full european coverage.
Price inc inst. £999 subs £295pa http://www.navtrak.com/
Also Tracker do a similar system called Tracker Echo with a drivers recognition card plus you get the added benefit of some police cars fitted with the detecting devices.
Price inc inst. £774 subs £159pa
http://www.autoexpress.co.uk/products/p ... stems.html