Tesla Cabin Overheat Protection Put To The Test


Tesla recently added a feature called Cabin Overheat Protection … does it really work?

The new feature was added to the Tesla Model 3 via a recent over-the-air update. At the same time, the Model 3 also received the Summon feature and Wi-Fi connectivity. Tesla’s Model S and Model X vehicles also come with the overheating protection.

Essentially, when the car is parked, it assures that the cabin temperature can’t exceed an “unsafe” temperature. Currently, the cutoff is 40°C/104°F. Once the car reaches the target temp, the system automatically turns on and cools the cabin.

Who better than Bjørn Nyland to take one for the team, put himself in yet another uncomfortable situation, and share his thoughts with us whilst he sweats his cojones off?

Nyland points out that the feature doesn’t use a lot of energy. His estimates find that it only eats about 1 km of range per hour. Over the course of more than eight hours in the sun, Optimus Prime (Bjørn’s Model X) has only used up 2 percent of its total range. He reminds us that having the regular HVAC system on for that period of time would deplete range by some 10 percent.

Check out the video to see how Bjørn fares and to learn more about the useful feature. If you want to test it out for yourself, make sure you sit in the passenger seat. The car is aware if there is a driver inside and the system will immediately turn off.

Video Description via Bjørn Nyland on YouTube:

Tesla has a nice feature called Cabin Overheat Protection. It will monitor the car when it’s parked and make sure that the temperature does not exceed 40°C/104°F. It seems to pull about 1 km of range per hour. A rough estimate shows that even after 8 hours in the sun, you only lose 2 % range. In comparison, running normal HVAC will consume 10 % range.

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8 Comments on "Tesla Cabin Overheat Protection Put To The Test"

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What version of the firmware is this?

EDIT: I found it, ver 2018.24.1. Mine hasn’t done this update yet. Still on 2018.21.9

Love the guy, but don’t we have somebody in the network with a Tesla in Phoenix?
It was 107 last night there when we landed. This could be a life-saving feature if it actually works somewhere it gets hot.

That is what it’s designed to do.

You could volunteer to test and see what the results are in cars without this system?

True, you need to test both scenarios:-)

7:30 So if a kid or animal is in the car and touches or sits in the driver’s seat, overheat protection shuts off? Potentially dangerous. Or does that only happen if it detects the key FOB?

Can i setpup 35 to 30 instead 40 to 35? 40 seams to be too high for safety. Especially for children and pets.

That would be much more taxing on the battery. 104 should be fine for any person – you can have a fever at that temperature without any lasting consequences. Infant should survive if you forget it there throughout the day (although obviously don’t test that.)

Quick google search shows that dogs can have a fever of 105 and be okay. I’d guess most warm blooded animals are probably the same… I don’t know how sensitive cold blooded animals are to higher temperatures.

Edit: Searched some more. Found a list of common body temperatures in common animals. Looks like most pets actually have even higher body temperatures than humans – the exception is horses, who are a bit colder. But you wouldn’t keep a horse in your Tesla, so that’s not an issue. Haven’t looked into how well snakes, turtles, fish, or other cold blooded pets would do yet… don’t think I will… although I kind of would like to know… maybe I will look… who knows.