Google Assistant/Home in your Car with WiFi Garage Door Opener - Read Description

This can be easily done if your head unit has an HDMI input.
You will need:
A Google Chromecast
A Google Home Mini
A second phone to act as the Modem/Router (This is essential as the Chromecast, Google Home & your main phone needs to connect to that second phone)

Some phone carriers allow their users to have a second sim card for around $5-10 a month that uses your existing plan, it's mainly for smart devices like watches or tablets.

On the second phone, router phone, you must also install an app called MacroDroid, on that app, set up a rule for when your second phone starts charging, it must turn off the hotspot and when you turn off the ignition and the phone stops charging, it will turn off this hotspot.

If you want to control your garage door, you will need an inching switch, there are hundreds on AliExpress, I'm using https://www.aliexpress.com/item/4000903671119.html?spm=a2g0o.productlist.0.0.65d511a3pOpOMs&algo_pvid=bde731b4-c04b-47da-aeb6-ffdb6f665a3e&algo_exp_id=bde731b4-c04b-47da-aeb6-ffdb6f665a3e-0

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