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 Post subject: Re: Break lights during regeneration
PostPosted: Sat Feb 06, 2016 11:04 am 
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Joined: Wed Nov 18, 2015 5:47 pm
Posts: 28
Little off topic, but the Hyundai Sonata hybrid has a similar setup and it actually downshifts through the gears as you brake and slow down to keep the motor speed up and give nice, strong regen. It must be a hell of a software challenge to keep the braking force constant through all that, but they seem to have pulled it off perfectly. I'm assuming that Audi does the same, but who knows.


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 Post subject: Re: Break lights during regeneration
PostPosted: Sat Feb 06, 2016 3:02 pm 
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Joined: Sat Jul 12, 2014 6:50 am
Posts: 123
Location: Bracknell - UK
Yes, the e-tron down shifts through the gears as required while regenerative braking. It is most noticeable as the car comes close to a halt.


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 Post subject: Re: Break lights during regeneration
PostPosted: Fri Feb 12, 2016 5:32 pm 
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Joined: Thu Jun 25, 2015 5:15 am
Posts: 2
Dominic wrote:
There is so much regulation that will have to change.

Laws are always a step behind.


Current regulation doesn't actually preclude illuminating the brake lights during strong regen, but neither does it require it. At the moment, each manufacturer makes the choice. The decel effect of regen isn't much different than downshifting in a manual trans car, of course, but I expect that as with requiring added noise to plug-in cars, regulation will evolve to require brake lights illuminate at a certain regen threshold.


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 Post subject: Re: Break lights during regeneration
PostPosted: Sun Nov 28, 2021 10:03 am 
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Joined: Thu Oct 24, 2019 12:34 pm
Posts: 39
bruintoo wrote:
DISREGARD THE E-MAIL POST FROM AUDI. We tested it tonight. The break lights come on when you put it on "Sport" mode, and you let go of the accelerator/gas pedal and the car goes into regeneration/recuperation without touching the break pedal at all. Who ever is following an e-tron must go nuts wondering why the guy driving a wagon keeps hitting his break pedal :lol: :lol: :lol:


My daughter was following me the other day and I called her in the car to ask about this issue. I can confirm that putting the car in manual mode and taking your foot off the accelerator does not turn on the brake lights. We didn't test Sport mode.


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