Mitsubishi Outlander PHEV Forum

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 Post subject: Using the "B" levels.
PostPosted: Sat Jan 25, 2020 4:36 pm 
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Joined: Tue Dec 03, 2019 12:37 pm
Posts: 18
I have been driving in "D" mostly for the past 3 months since we purchased this 2019 car, but am now using "B5". While there are many forum references to when to use the "charge" and "save" buttons, there has not been much discussion about utilizing the "B" paddles. In "D" the car is in "B2", but changing to "B5" greatly increases the braking effect. However, I do not see any significant battery recharging in the "B5" setting.

What do other owners think and feel?

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2019 Sterling Silver GT
Owned since November 2019
Lives in Surrey, BC, Canada (40 minutes south of Vancouver)
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 Post subject: Re: Using the "B" levels.
PostPosted: Sat Jan 25, 2020 10:44 pm 
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Joined: Wed Sep 09, 2015 5:05 pm
Posts: 520
Location: Australia
I really should save my response to this question because I seem to post it a lot.

If descending a hill, the B settings are a way to stop the car from accelerating without riding the brakes.

In heavy traffic, I prefer the B5 setting because it means that the car stops quicker, and I need to press the brake pedal less.

Some forum members have found that driving with regenerative braking turned on increases their fuel consumption.

I'm guessing that is because you'd have to be me more precise with your control of the accelerator pedal to prevent the car from braking, and you don't get to coast as easily as you can with the regenerative braking turned off.

(From memory the D setting is equivalent to B2, but you can specifically select B0)

Finally, you shouldn't expect to see much gain in the battery unless you have regenerative braking turned on for a very long, very steep descent.

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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 2:34 am 
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Joined: Tue Aug 05, 2014 1:32 pm
Posts: 1956
As Andy says, you would have to do a very long down hill to see any noticeable increase in battery but the guessometer will more quickly show an increase in EV range due to the combination of regen and coasting. However, each bit of regen, whether from B5 or normal brake pedal use helps improve overall economy, as in the Prius.

Personally, I drive mainly in B0 to make use of coasting, especially in London traffic and flip the paddles to get the same engine braking effect I would use with a manual gearbox. However, I have found driving in B5 useful on unregulated twisting country roads, where the instant braking and acceleration before and after bends give a more enjoyable driving experience.


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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 7:54 am 
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Joined: Wed Jul 31, 2019 8:16 am
Posts: 182
Pretty much agree with everything said above, with some small tweaks.

Using no charge at all is more efficient than any regen setting, so I use B0 and coasting a lot.

In really slow, frequently stop-go traffic, I use B5 to save my brake foot, but B0, coasting, and gentle braking, is probably more efficient.

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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 9:40 am 
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Joined: Tue Dec 03, 2019 12:37 pm
Posts: 18
So reading these responses, I get the impression that B0 is the preferred setting. However, when I said that there does not appear to be any battery recharging in B5, I meant over a longish drive of more than 30 minutes in traffic, not instantaneously on one short downhill run.

With the B5 setting, I find that almost no braking is required when coming up to a red light, if you let off the accelerator as soon as you know you are going to have to stop. So, is B5 and no braking generating more or less charge than B0 and steady braking, when driving in traffic?

Also, I have found that I do not need to use the central control stick to switch to B driving. Just pulling on the paddles while in D will give you B3, B4, B5, B1 and B0 settings. So why is there a B position on the stick at all?

2019 Sterling Silver GT
Surrey, BC, Canada (about 40 minutes south of Vancouver)
Owned since November 2019
Retired drug dealer


How do I add this signature to all messages, and what is the UCP?

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2019 Sterling Silver GT
Owned since November 2019
Lives in Surrey, BC, Canada (40 minutes south of Vancouver)
Retired drug dealer


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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 2:17 pm 
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Joined: Tue Aug 05, 2014 1:32 pm
Posts: 1956
There is no "preferred" setting, I'm afraid. you will have to work what works best for you, depending on your driving style, the topography of where you driving (hills etc.) and traffic conditions. However, the joystick works well for drivers like me who come from manual gearboxes and need something to do with our left-hand - i.e. to simulate "changing down" to get engine braking. I only use the paddles to manage declines to keep within the speed limit - and, of course, the right hand one to get to B0 from D/B2, for coasting.

Physics means there is no practical difference in the regen from B5 to a stop against B0 and using the brakes over the same road, with same battery levels and initial speed.

One reason you are very unlikely to see any battery increase over time in normal driving conditions, is because, if you are in EV then the "excess" energy is used to drive the car instead of using battery and if using the ICE then the same happens by turning off the engine for short periods. So you will only see any increase in the battery if you are a long downhill section (or in "charge" mode).


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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 2:26 pm 
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Joined: Wed Sep 09, 2015 5:05 pm
Posts: 520
Location: Australia
BIKERMGA wrote:
...

How do I add this signature to all messages, and what is the UCP?


The UCP is the User Control Panel, (see the link on the top right hand corner of the screen, just below 'Mitsubishi Outlander PHEV Forum'

Click on 'Profile' then 'Edit Signature'

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2014 PHEV Aspire, Arctic Silver;
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Hayman Reese removable tow bar;
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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 3:45 pm 
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Joined: Tue Jan 12, 2016 6:37 am
Posts: 538
Location: Bucks
Living in the Chilterns, I have a lot of local 1 km 15% hills. Coming down one of those and using B2-B5 to control speed I will generally see the estimated mileage tick up by 1. Sometimes it's 2, sometimes 0, but I think that just reflects rounding errors.

AndyInOz wrote:
UCP is the User Control Panel

Heathen! UCP will always be United Cattle Products :)

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 Post subject: Re: Using the "B" levels.
PostPosted: Sun Jan 26, 2020 4:01 pm 
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Joined: Tue Dec 03, 2019 12:37 pm
Posts: 18
Thanks for your comments. By "preferred" setting, I meant preferred by other drivers who have commented above.

Using B5 as a slowing method in traffic will probably extend the life of the brake pads.

Obviously using the ECO mode reduces performance. Is it documented anywhere by how much and what is affected?

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2019 Sterling Silver GT
Owned since November 2019
Lives in Surrey, BC, Canada (40 minutes south of Vancouver)
Retired drug dealer


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 Post subject: Re: Using the "B" levels.
PostPosted: Mon Jan 27, 2020 1:51 am 
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Joined: Fri May 31, 2019 4:55 am
Posts: 58
B5 all day, there is nothing but hills and bends where I live in the Cotswolds (UK).
When going down long steep hills I find it amusing that everyone is wearing out their brake pads while I generate electricity :mrgreen:
That of course all changes when I go on the motorways, then its usually B3 or less depending on the traffic.
B5 is a bit harsh in terms of speed reduction and it may catch out the unsuspecting tailgater behind that may not notice you are slowing down.


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