2014 Chevrolet Spark EV Tech Performance Concept

[NORTON]

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When traction is so bad as to be a safety issue, I'd want to shut off regen and use only well balanced four wheel friction brakes, but that's not possible with a Spark, is it? ...

Yes, pop it into N.
If you are on icy roads so bad that letting off the Go Pedal in D brings on a TC dance (due to regen on the front wheels only), putting it in N would then allow friction brakes only.
I hope to not experience that this winter,,,,, :shock: