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Old 08-16-2017, 01:43 PM   #201 (permalink)
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Originally Posted by RedDevil View Post
I would like to be able to preheat the battery pack within its optimal temperature range.
I believe the Bolt does this. It will maintain the battery within a temperature range as long as it has more than 1/3 state of charge, or is plugged in.

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Old 08-16-2017, 02:52 PM   #202 (permalink)
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Originally Posted by jamesqf
Otherwise what happens when you get stranded for some reason? You freeze to death.
What happens when you drive into field-fire smoke when you can't see the other side?

Smoky 21-vehicle pileup kills 7 on I-5 (from the archives, 1988) | OregonLive.com

Not pre-heating the seats won't affect the outcome.

James Kim was a statistical outlier; made multiple bad decisions and got Darwinated. His wife stuck with the (cold) vehicle and was rescued.
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Old 08-17-2017, 12:42 PM   #203 (permalink)
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Quote:
Originally Posted by RedDevil View Post
Whether electrically preheating a car is a necessity or a luxury, the fact remains that the ability to do so is an asset to those who would like to use it.
You can't force anyone to use it against their will.
Well maybe the manufacturer can by not allowing the car to drive; if just to protect the plastic trim from damage as it gets brittle with severe cold...
Dig deep and you'll find a reason for anything. If none can be found, dig deeper

I would like to be able to preheat the battery pack within its optimal temperature range. Though with a large battery pack (50 kWh is the smallest capacity Tesla offers) and gentle draw during the first miles (residential area, cautious driving in slippery conditions) it would not really be necessary.
Battery packs that need to be heated - already do this automatically. For our 2015 Leaf, it is most important to heat the battery during charging - and it does this.

I actually don't mind wearing a coat and gloves (and hat if needed) inside the car - because that is how you have to dress to be outside in cold weather. You're out of the wind, and heated seats are quite nice, and they take virtually nothing away from range.

Heating the battery, though, does become noticeable when it gets really cold. Low teens and below, the range is affected.

The ONLY time you need to use the heater - is to keep the windows clear, or to melt ice.

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