On 6 Feb 2010, at 13:49, Rod wrote: > I meant to add, for manual transmission there is a big "kill" lever on the > floor called the clutch. > > The real dangerous problem is caused by the complex interlocks in automatic > transmission, between gear lever, parking brake, ignition key, and whatever > else I don't have in my manual automobile. The real way forward, to rethink the engine management and control function, must be to follow the cruise-control model: Step on the brakes, and you trip out the accelerator function. No doubt the engine management hardware omits a spare input, which could be used for the brake switch. regards, Rod rod.dalitz@xxxxxxxxxxxxxxxx