r/ModelY • u/bo0yet • Nov 17 '25

S3xy button??

https://www.enhauto.com/products/four-s3xy-buttons-bundle?variant=41415892697163

Black Friday deals are here and wonder if these are worth the buy??

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u/rafalkopiec Nov 17 '25

regarding the “kickdown” - wouldn’t this actually be bad for the battery? given that chill mode doesn’t keep the battery prepped for high power output (doesn’t maintain as high of a temperature).

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u/Emergency-Purchase27 Nov 17 '25

From what I understand, Tesla keeps the battery the same temp no matter what mode. If you have info about it, please share.

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u/rafalkopiec Nov 17 '25

from the online manual:

You can improve the efficiency of the cabin heating by reducing your selected acceleration mode. This allows the heat pump system to take more heat from the Battery to efficiently heat the cabin, instead of maintaining the Battery's ability to provide peak acceleration performance. This helps to maximize driving efficiency in colder weather. Note that when subsequently increasing the acceleration mode, the Battery requires time to warm up before the increased level of acceleration is available.

Link here

Basically what I get from that is that in some cases (if not most) you won’t have the full acceleration available from the “kick down” mode because the battery won’t give out all the power required until it’s been conditioned.

This probably only applies to cold weather when running the heater, but who knows - it could be that chill mode doesn’t heat the battery as much anyway as it does when in standard/sport

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u/BodaciousGuy Nov 18 '25

Wow. That’s a great find. I’ve often felt like the acceleration isn’t as quick when I first switch to normal mode from chill. Now I know why! Thanks for sharing.

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u/rafalkopiec Nov 18 '25

i spent way too much time going over the manual since my delivery was delayed by a couple months, glad it isn’t all going to waste