This article is from the source 'guardian' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at https://www.theguardian.com/technology/2017/nov/28/a-car-without-a-handbrake-isnt-such-a-good-idea

The article has changed 5 times. There is an RSS feed of changes available.

Version 2 Version 3
A car without a handbrake isn’t such a good idea A car without a handbrake isn’t such a good idea
(1 day later)
Letters
Tue 28 Nov 2017 19.08 GMT
Last modified on Tue 28 Nov 2017 22.00 GMT
Share on Facebook
Share on Twitter
Share via Email
View more sharing options
Share on LinkedIn
Share on Pinterest
Share on Google+
Share on WhatsApp
Share on Messenger
Close
Professor Martyn Thomas (Letters, 27 November) makes a powerful case for great caution in introducing “driverless” cars. Many manufacturers have replaced the traditional manual handbrake with a switch controlling a powered brake, which depends on both battery power and software. The handbrake was always the last resort when there was no other means of stopping a car. Now that will no longer be available. Of equal concern, if the handbrake software was hacked and switched on while the car was moving fast, it would crash catastrophically. When our new car was being explained to us last year, the salesman said “do not switch on the handbrake when moving except in an extreme emergency; it has no graded response, it is either on or off”. And what happens if the battery goes flat?Greg ConwayAmersham, BuckinghamshireProfessor Martyn Thomas (Letters, 27 November) makes a powerful case for great caution in introducing “driverless” cars. Many manufacturers have replaced the traditional manual handbrake with a switch controlling a powered brake, which depends on both battery power and software. The handbrake was always the last resort when there was no other means of stopping a car. Now that will no longer be available. Of equal concern, if the handbrake software was hacked and switched on while the car was moving fast, it would crash catastrophically. When our new car was being explained to us last year, the salesman said “do not switch on the handbrake when moving except in an extreme emergency; it has no graded response, it is either on or off”. And what happens if the battery goes flat?Greg ConwayAmersham, Buckinghamshire
• Join the debate – email guardian.letters@theguardian.com• Join the debate – email guardian.letters@theguardian.com
• Read more Guardian letters – click here to visit gu.com/letters• Read more Guardian letters – click here to visit gu.com/letters
Motoring
Transport policy
Transport
letters
Share on Facebook
Share on Twitter
Share via Email
Share on LinkedIn
Share on Pinterest
Share on Google+
Share on WhatsApp
Share on Messenger
Reuse this content