Most EVs do. I'm not aware of any language in the FMVSS that specifies it (yet).
https://www.greencarreports.com/news/1139956_don-t-count-on-ev-brake-lights-to-communicate-brake-regen On Sat, Aug 9, 2025 at 9:49 AM jim--- via EV <[email protected]> wrote: > I don't use 1 pedal mode in my Ford Lightning, but from comments on that > forum, the brake lights come on in moderate regen (either from 1 pedal or 2 > pedal mode). > > Jim Walls > > > > -----Original Message----- > From: "Ed Blackmond via EV" <[email protected]> > Sent: Saturday, August 9, 2025 09:40 > To: [email protected] > Cc: "Ed Blackmond" <[email protected]> > Subject: Re: [EVDL] brakes lights regen > > My 2017 Bolt does not operate the way you describe. Whenever deceleration > is greater than normal engine braking in an older ICE vehicle the brake > lights come on. > > Ed > > > > On Aug 9, 2025, at 8:39 AM, redscooter via EV <[email protected]> wrote: > > > > > > when drivers use strong 1 pedal regen driving in traffic the brakes > lights do not come utill the last 5-10 miles per hour to total stop. > > > > this can cause possible rear ending. I'm used to following gasers that > there brake light show much more. my older leaf has weaker regen so I > must use brakes , which shows drivers behind me, i'm stopping or slowing. > > > > i also flash my brake lights when slowing in heavy traffic. > > > > someone needs to work on a fix for brake lights to come on under heavy > regen. > > > > _______________________________________________ > > Address messages to [email protected] > > No other addresses in TO and CC fields > > HELP: http://www.evdl.org/help/ > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20250809/7015ef0f/attachment.htm > > > _______________________________________________ > Address messages to [email protected] > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > > > _______________________________________________ > Address messages to [email protected] > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20250809/03e1e695/attachment.htm> _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
