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Regenerative braking. Is this normal?

Chetanh

Member
Jul 29, 2019
258
84
Brampton, Ontario, Canada
So when I test drove the model 3 regen would bring the car to a complete stop.

For me it slows the car but does not stop the car completely irrespective of the street is straight sloping up or down. I have to tap on the brake slightly to make it stop completely.

Is this normal?

Also the brakes squeak when I drive after it has stood a while in heavy rain.

Is this normal?

Yes, I have confirmed that creep is off.
 

alsetym

Member
Apr 28, 2018
276
318
hamilton
Not sure what happened on your test drive. Tesla's do NOT regen to a stop. They regen down to a couple mph then coast. So, sounds normal.
 

03DSG

Active Member
Apr 5, 2016
2,150
2,453
Ontario
Normal. As well once a week or so and every time after washing the car I turn the regen down from Standard to Low for a few km's around town. This lets me exercise the brakes to dry them out after washing and to clean up the disc/pad surface of any rust/contamination. With regen on Standard the brakes are under utilized and rarley get a chance to heat up.
 

ilyak

Member
Mar 16, 2019
606
717
Walpole, NH
The BMW and Toyota never squeaked.
Model 3 is only 1 month old.. rust so soon?
Maybe you just didn’t hear it or didn’t pay attention. A thin layer of rust on the rotors can develop as quickly as overnight and will cause the brakes to squeak for a few seconds when they’re first engaged. This is perfectly normal and happens on all cars with disc brakes.
 

ewoodrick

Well-Known Member
Apr 13, 2018
5,285
3,730
Buford, GA
So when I test drove the model 3 regen would bring the car to a complete stop.

For me it slows the car but does not stop the car completely irrespective of the street is straight sloping up or down. I have to tap on the brake slightly to make it stop completely.

Is this normal?

Also the brakes squeak when I drive after it has stood a while in heavy rain.

Is this normal?

Yes, I have confirmed that creep is off.

Regen braking never did bring the car to a complete stop. Just doesn't work that way on a Tesla. What you probably experienced was creep turned off which may sometimes seem as if the comes to a stop, but it actually is just in neutral.
 

KenC

Active Member
Sep 4, 2018
3,602
3,271
Maine
First experience, is not normal. And to the other two questions, the answer is yes and yes.
 

SD_Engnr

Active Member
Mar 24, 2016
1,836
1,493
San Diego
The squeak is normal if you don't use the brakes regularly, which with these cars, is normal. Were your BMW and Toyota both hybrid/electric cars with regen braking?
 
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Nocturnal

Supporting Member
Aug 23, 2018
6,542
34,345
Deepening Crisis!
The BMW and Toyota never squeaked.
Model 3 is only 1 month old.. rust so soon?
Because of regen our brakes don't get cleaned off nearly as much as an ICE. It's normal. If it bothers you turn off regen for a few minutes here and there or brake hard occasionally.
No they were not Hybrids. thanks for clarifying, looks like everything is normal. Thanks everyone.
I wished the regen was more aggressive
Dumb question, but you have it on the higher setting right? I think it's pretty aggressive, feels like downshifting. IMO they made it not come to a stop from regen for safety reasons. I assume they don't want people forgetting how to use their brake pedal.
 

timk225

Active Member
Mar 24, 2016
2,047
1,059
Pittsburgh
When I pull out onto my street in the early morning, if the window is open I can hear the brakes grind as I come to a complete stop. But that's just the normal sound brakes make, you just have a hard time hearing it with an engine running.,
 

drtimhill

Active Member
Apr 25, 2019
1,823
2,251
Seattle
IMO they made it not come to a stop from regen for safety reasons. I assume they don't want people forgetting how to use their brake pedal.

Actually I think it's more that regen doesnt really work below a certain speed since the mechanical resistance from the electric motor (in regen mode) decreases with decreased speed.
 

Nocturnal

Supporting Member
Aug 23, 2018
6,542
34,345
Deepening Crisis!
Actually I think it's more that regen doesnt really work below a certain speed since the mechanical resistance from the electric motor (in regen mode) decreases with decreased speed.
That's definitely possible. Aren't there some EVs that are genuinely 1 pedal driving? I guess they might apply the brake for you?
 

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