Custom built button to turn my Model 3's heat on

[RyanDe]

I built two, one is next to the stairs on my way down and the other is next to the door if I forget on the way out.

 

[swaltner]

How are you communicating with the car?

 

[RyanDe]

How are you communicating with the car?

The official API. There is a plugin for Home Assistant.

 

[roguenode]

Is this something a non-programmer can setup? I use the EV Car integration with google home now via voice command, but would really like a physical trigger of some kind.