Turn up heating to use less energy?

[cat7]

I was doing a 130 mile journey this morning, and I popped up the range window towards the end of the journey to see what % I had used in which area etc, and it suggested I turn UP the cabin to 22°C (I had it set on 18°C) to save 0.x% of energy. It was 5°C outside, so I don't see how making the cabin 22°C instead of 18°C would save energy?

 

[Candleflame]

maybe drove in sunlight and that warmed up the cabin?

 

[3sr+buyer]

I have seen something similar where is said that setting the temperature to 72F instead of 65F would save energy. This was with AC off and outside temperature in the 50sF.

 

[cat7]

It wasn't sunny, so can't imagine it was actually needing to cool the cabin at the time.
I wonder if it's something to do with removing excess heat from the motors/battery at the end of a journey, and dumping it into the cabin just before you stop prevents having to run the cooling fans as much when stationary?

 

[KenC]

I was doing a 130 mile journey this morning, and I popped up the range window towards the end of the journey to see what % I had used in which area etc, and it suggested I turn UP the cabin to 22°C (I had it set on 18°C) to save 0.x% of energy. It was 5°C outside, so I don't see how making the cabin 22°C instead of 18°C would save energy?

Maybe the car is American and got confused between Fahrenheit and Celsius?

 

[Petermcg]

I’ve received the “turn up heat to save battery“ message several times, including when I was using no heat at all. I assume it’s a bug in the software.

 

[GtiMart]

I think that's a small bug. I don't always get that message but when I do, it never makes sense Unless the car really needed to use the AC to cool the cabin which I doubt...

 

[cappo3]

I had the same suggestion yesterday on the motorway. 37F outside, HVAC set on 67F and it recommended me to up it to 72F in order to save 0.1% on the trip. It was so absurd that I went with it. The HVAC-related consumption went up pretty quickly indeed. It has to be a bug.
Another message I got said I could have saved 5% by driving slower than 68 mph. Speed limits here are around 80-82 mph on the motorway. It's pretty useless, I hope they remove some of these "recommendations".

 

[GtiMart]

The speed recommendation is correct though. Speed limits are maximums, not minimums, you can still do it. You could also choose an alternative route if you wanted to. You don't have to follow any of the recommendations but they help us understand where the energy is being spent and what we can do to help. Except that "raise temperature" one obviously

 

[Rice&Curry]

I suspect (a) it has something to do with the way the heat pump operates or (b) it is a bug in the some feedback from the heat pump is being presented to the user.

 

[cappo3]

The speed recommendation is correct though. Speed limits are maximums, not minimums, you can still do it. You could also choose an alternative route if you wanted to. You don't have to follow any of the recommendations but they help us understand where the energy is being spent and what we can do to help. Except that "raise temperature" one obviously

That's what I fear most, that people will actually start doing that... You can do so many things to save energy, some can make sense, some others really do not!

 

[GtiMart]

I'm not slowing down but that's because I don't mind spending more energy. I do know however that if I am to be stuck at 0%, I can slow down and make it to my destination. It's just information, people do what they want with it.

 

[PianoAl]

You can use the phone app to determine whether the car is using heat or AC. I have to set the heat to HI to get heat if the cars been in the sun, even when it's 50 degrees out.

 

[GtiMart]

IT would be fairly easy for the car to start by using outside air in that situation, in case that's cold enough to cool down the cabin to your set temp, bfore starting the AC But who knows, maybe it starts with the AC...

 

[Zoomit]

The first tip seems like an obvious bug to me. I don’t see how both of these tips could be true simultaneously.

Both zones were set to 68 F. This was at night with outside temps in the 40’s.

 

[GtiMart]

Ah, cool, both change directions at the same time And it's not just a bug in F, I had the same message about raising temperature in C.

 

[Rocky_H]

Set the left one down by 2, and set the right one to 72. Seems clear enough.

 

[Despized]

Another data point on this 2023 Model 3 RWD LFP - Driving 140 miles in 3F with the real feel of -20F (quite windy) I had the heater set to 66F (auto), seat heater was auto and the steering wheel heater on. Gave the same message indicating save 0.1% if I set the cabin temp to 72F.

 

[metroplex]

View attachment 882305
The first tip seems like an obvious bug to me. I don’t see how both of these tips could be true simultaneously.

Both zones were set to 68 F. This was at night with outside temps in the 40’s.

If anyone wants to know what its like to be in the Army, this is pretty much it.