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Hyundai has had this for years. My 2 old leases, a Hyundai for my wife and a Genesis for myself both had this option.

That is not this. :)

It's a bit clunky in practice, namely getting your phone out of your pocket and waiting the few seconds for the app to open, communicate with the vehicle and then send the command.

You are describing their app connection to the car (available on most of their cars. This (“Digital Key”) currently only works on some set of Android phones and is (mostly) NFC based. One does not need to ”send a command” it is proximity based and talks directly to the car.

This varied to a few seconds to maybe half a minute, semi annoying for multiple car trips (especially in the winter with freezing hands, wearing gloves/coat, etc).

This is sending the signal to the car over the cellular network via Hyundai’s servers, rather than communicating with the car directly, hence the delay.

I haven't read into it much but does the Apple Carkey solution work if you are just near the vehicle, or do you actually have to pull your phone out, unlock it and access a key press on the app?

Apple’s solution has not been announced, so we do not know for sure what it will do. As has been pointed out, it is likely to be based on the latest spec of the Car Connectivity Consortium’s third generation spec, which should allow using one’s phone or watch without needing to bring up the app and hit buttons.
 
  • Calendar app that lists upcoming events and directions for each
  • HomeKit support for opening the garage
  • Apple Music
  • Apple Podcast and many third party podcast apps (more than those available for Tesla)
  • Many audiobook apps (more than those available for Tesla)
  • Many sports and news apps (more than those available for Tesla)
  • Alternate maps apps (more than those available for Tesla)

Calendar app is already in the Tesla. It syncs with your phone over bluetooth and will give directions to your next event of the day automatically when you get in the car (if you toggle that switch in the settings.)

What do you want with HomeKit for opening the garage? There's a garage opener in the car and you can access whatever via the web browser. Musk has tweeted that they're working on having a native app for controlling MyQ devices (Liftmaster and Chamberlan brand garages) from the car over the internet. I think he may have also mentioned Apple Music and Pandora as coming, but I'm not sure of that... neither service is of interest to me.
 
Calendar app is already in the Tesla. It syncs with your phone over bluetooth and will give directions to your next event of the day automatically when you get in the car (if you toggle that switch in the settings.)

What do you want with HomeKit for opening the garage? There's a garage opener in the car and you can access whatever via the web browser. Musk has tweeted that they're working on having a native app for controlling MyQ devices (Liftmaster and Chamberlan brand garages) from the car over the internet. I think he may have also mentioned Apple Music and Pandora as coming, but I'm not sure of that... neither service is of interest to me.
Tesla removed garage door opener (HomeLink), at least on Model 3. Even if HomeLink is offered, I prefer not to program my garage door key on HomeLink for security reason. On many cars, HomeLink is active even if you enter the car without a key.

Also, CarPlay's HomeKit integration is not just for the garage door opener, although that's a big part. Garage door control is context sensitive (when you are near home) and you can use CarPlay's Home app to control other accessories like external lights and door lock.

As for the calendar, yeah calendar sync is fine if you are the only driver. But what if you have a spouse or other family member?
 
What would CarPlay give me that the car doesn't already provide? I can already send and receive text messages (and the text actually shows on screen, unlike with CarPlay), call people, access Spotify, Podcasts, and other audio sources, and use Waze or Google Maps (although using Google Maps is silly - just use the built-in maps instead.)

It would mean I do not have to learn or take mental energy remembering one more interface. Nothing stops you from using the interface you have on your Tesla, but I would rather not have to worry about it.

Once that's out of the bag, whatever you want the car to do, there will be an app for that.

I doubt that. Even a market as large and wealthy as the iOS market still has applications that I would like to see. In addition, people writing for a niche market like Tesla, are way more likely to not update, etc. (to be clear, this is not an attack on Tesla, it is just a reminder that they have sold fewer cars in their history, than Apple sold Macs in a quarter and most of us understand how hard it can be to find some applications).
 
I just bought a new BMW that has a “card” that is a “digital key”. They already support installing the key on an Android phone. Glad to see this is headed to iPhone. Though, it may still be more convenient to carry a key. On the BMW, you would have to place your phone inches away from the door handle to activate unlock, and then to start the car, the phone has to be placed in the “tray” to activate digital key.

On a positive note. I always have my phone with me. Not having to worry about a car key would be kind of nice. I’ve already used the BMW app on the phone to unlock the doors when outside, and didn’t have a key with me...
 
Disrespect of others isn't an opinion. It's a character flaw.
Actually the original comment was off-topic.

I think the ability to use your phone to open your car when walking up to it is cool. I can already start my car remotely via my phone. I don't know if I would every have the courage to leave my key fob home and depend solely on my phone to get into the car.
 
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