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One pedal driving in M3

Hi guys,

I have read various notes online about the ability to drive the Tesla with just the accelerator (i.e. using regen braking to bring the car to a stop - at least this seems possible with the S and X.

For those who have tried with their M3 - how does it feel? Does the car's anti-collision tech bring it to a halt when coming to a line at a traffic light/general queue in the road, or do you eventually have to press the brake anyway?

Also, does the regen feed back as much as you were expecting?

Intrigued...
 
Sounds really good! Especially with the obvious benefits of massively reduced brake pad wear, along with the regeneration of energy back into the battery :)

I bet it plays with your brain when you go back into an ICE and have to actually brake to slow down (if you don't use the engine that is lol).

I have seen various view on its ease of adapting - some find it really easy, others have said it took them a while to get the hang of it.

All in all its a step (or foot) in the right direction :cool:
 
Yeah I'm quickly getting use to it, its great although I also like having creep on so I do have to the use the breaks to come to a complete stop. I also love the hold function where you press down a bit more when you're at a full stop it holds the car and the break lights on.
Yeah I have the hold function in my merc - its really useful for when you're on a steep slope. My merc is an automatic but even they tend to roll backwards after a few seconds if stationary on a slope, so the hold functionality is useful.
Really looking forward to getting my hands on the M3P though! Hopefully going to get order in over the next couple of months (once my personal finances have settled a little :D)
 

Tam

Well-Known Member
Nov 25, 2012
11,802
10,848
Visalia, CA
...For those who have tried with their M3 - how does it feel?...

It feels stronger than the traditional S and X (old ones don't have permanent magnets in their motors while new ones are using magnet motors which I haven't tried yet).

It feels great but I want it to be even stronger as in newer Nissan Leaf e-Peal that can stop your car even in the middle of 30 degrees steep uphill without a need for driver's brakes at all.

...Does the car's anti-collision tech bring it to a halt when coming to a line at a traffic light/general queue in the road, or do you eventually have to press the brake anyway?

If you are on Autopilot or TACC (Traffic Aware Cruise Control), your car would brake to a halt as needed without driver's input (most of the times because there are still Autopilot collisions, injuries and deaths).

If you are not on Autopilot or TACC, then it would drastically reduce your speed down to about 6MPH and coast it slowly to 5,4,3,2,1,0 if you have enough clearance in front and it does not brake which means it would still roll back or front after achieving 0MPH if the road is not flat.
 
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I'm already so used to one pedal driving in the Model 3 that I found driving my wife's (ICE) Mini yesterday incredibly disorienting. I didn't crash but she moaned at me about my driving way more than usual.

Apart from coming to a full stop, as a general rule of thumb I feel that if I need to use the brake in the Model 3 I was probably driving too fast for the situation (or some idiot just pulled out, which happens).
 
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It feels stronger than the traditional S and X (old ones don't have permanent magnets in their motors while new ones are using magnet motors which I haven't tried yet).

It feels great but I want it to be even stronger as in newer Nissan Leaf e-Peal that can stop your car even in the middle of 30 degrees steep uphill without a need for driver's brakes at all.



If you are on Autopilot or TACC (Traffic Aware Cruise Control), your car would brake to a halt as needed without driver's input (most of the times because there are still Autopilot collisions, injuries and deaths).

If you are not on Autopilot or TACC, then it would drastically reduce your speed down to about 6MPH and coast it slowly to 5,4,3,2,1,0 if you have enough clearance in front and it does not brake which means it would still roll back or front after achieving 0MPH if the road is not flat.
Thanks for the insight Tam :) sounds really good. And like i said earlier - if it helps save brake pad/disc wear then it can only be a good thing!
 
I tend to use the regen braking (i.e. accelerator) rather than brake to adjust speed, but typically tap the brake to activate the hill hold when I come to a complete stop. I'm very much liking both.
Yeah i tend to do that in my ICE atm (obviously without any regen braking) - read the road ahead and try and anticipate stopping distances, etc. so that i'm using the brake as little as possible (like we are supposed to do on motorways for example). Practise for the M3P :D

Love the colour you have chosen for your machine - hopefully going to get my M3P in that colour!
 

ewoodrick

Well-Known Member
Apr 13, 2018
5,285
4,292
Buford, GA
Give it a couple of OTA updates and there will most probably come an update where the system applies the brake where required ;)
Actually, from what I've heard, the answer doesn't seem that possible. Not really sure why, but there seems to be a little lack of coordination between the brakes and regen. In the Leaf, when I hit the brakes, regen increases. In the Tesla, I hit the brakes and regen decreases. I'm not sure if it is philosophical or not.
It's one of the things that impresses me with the Leaf. It provides a seemingly transparent transition from regen to braking, you really don't know when the brakes are actually engaging.
 
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ewoodrick

Well-Known Member
Apr 13, 2018
5,285
4,292
Buford, GA
I'm already so used to one pedal driving in the Model 3 that I found driving my wife's (ICE) Mini yesterday incredibly disorienting. I didn't crash but she moaned at me about my driving way more than usual.

Apart from coming to a full stop, as a general rule of thumb I feel that if I need to use the brake in the Model 3 I was probably driving too fast for the situation (or some idiot just pulled out, which happens).

The Model 3 has as much one pedal driving as a straight shift ICE does. None.

The Model 3 has regen. They are very different things.

Regen with no creep isn't one pedal driving. One pedal driving has the brakes applied when stopped.
 
anyone know this?
Also because of this the car doesn't come to a complete stop - I have heard that it can do on other threads without pressing the brake pedal?
I can't answer your question but I presume it can come to a complete stop if you have creep set to 'off' and you time the moment you take your foot off the accelerator perfectly. But I haven't got my M3P yet so can't say for sure. I'm sure others on here can help :)
 

Tam

Well-Known Member
Nov 25, 2012
11,802
10,848
Visalia, CA
I can't answer your question but I presume it can come to a complete stop if you have creep set to 'off' and you time the moment you take your foot off the accelerator perfectly. But I haven't got my M3P yet so can't say for sure. I'm sure others on here can help :)

Correct!

Without creep, when you take your foot off, the car will lose its power and if it's on high speed, it would drastically slow down as if someone just applied the brake (no one did, it's just the magnet force of regen in action), if you are on slow speed like 20MPH, 10MPH you can still feel the regen to slow you down but not as strong. It will come to a complete stop if there's enough clearance in front (or otherwise you'll hit something) AND only if the road is flat or otherwise your car will roll backward or forward after the complete stop because there's no physical brake application if you don't manually apply them.

At slow speed like 5MPH, you can still get micro-regen but it's just too tiny so it's not perceptible.
 
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