Re: [SystemSafety] Another runaway car

Date: Thu, 14 Feb 2013 16:15:22 +0100

I guess that in this type of situation the average "idiot" driving the car have little time and concentration to start testing all the combinations between buttons, pedals and keys (with timers) to check if they have any effect. There might be even be a hidden maintenance acces like for lifts or beverage distributors (while ceiling light on press brake and turn radio on...).

Bertrand RICQUE
Program Manager, Optronics and Defense Division  
T +33 (0)1 58 11 96 82
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23 avenue Carnot
91300 MASSY - FRANCE  

-----Original Message-----
Sent: Thursday, February 14, 2013 4:09 PM To: systemsafety_at_xxxxxx Subject: Re: [SystemSafety] Another runaway car

On 14.02.13 15:24, David Crocker wrote:
> How does this requirement translate to cars that don't use a
> conventional key? On my BMW 3-series, the electronic key does not
> rotate, instead I insert it into a hole in the dashboard. I am fairly
> sure it is locked in place when the engine is running. I guess the
> start/stop button should turn the engine off, but I haven't tried
> pressing it while the car is moving.

My information is from talks with people from different car manufacturers during meetings for an EU project some years ago.

As I reacll it was specifically for cars licensed for Germany; it may be different for other countries, or it may have been "harmonised" within the EU since then, allowing electronic "ignition locks".

Our Peugeots' locks "feel" mechanical and have always worked as expected so far, but I really don't know.

In the previous case where a Lexus's accelerator was "jammed", the start/stop-button would not turn off the engine when the gear was not in neutral, unless it was held down for 5 seconds, much like the "soft" power buttons on many PCs.

> David Crocker, Escher Technologies Ltd.


On 14.02.13 15:32, Simon Struck wrote:
> Turning the key into off-position mechanically locks the steering, does
> it? So simply turning the engine of might lead to further problems...

Depends on the car, some have in intermediate position which will turn 
off the engine, but leave most other systems on (radio, lights, etc.) 
and the steering wheel unlocked.

> Simon

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