The Guardian view on car computer hacking: act now

Fiat Chrysler’s recall of more than 1.4m of its Jeeps so they can be fitted with a software patch to make them safe from having the controls taken over remotely, draws attention to an unnerving fact: any modern car is a network of anything up to 70 powerful computers that happen to be mounted on wheels and armoured in a tonne or more of steel. Every new car sold in the past few years is running about twice as much code as the whole of Facebook.