Why is the CarPlay option disabled in the Simulator menu: "I/O > External Displays > CarPlay?"
You may not have applied for CarPlay Entitlements on the Apple developer website and imported the configuration file into your project.
Requesting CarPlay Entitlements:
Why doesn't my app show up when opening CarPlay Simulator?
You need to add the Key com.apple.developer.carplay-audio to Entitlements.plist and set the Value to true.
<key>com.apple.developer.carplay-audio</key>
<true/>

Why does the M1 Mac crash when opening the CarPlay app?
If you have an M1 Mac, CarPlay Simulator may not be available.
If your Xcode is running in Rosetta mode, launching the CarPlay app will crash instantly.
Running the Simulator in Rosetta mode won't solve the issue. There is currently no solution yet.
Reference:
The page will display an exception when returning to your CarPlay app from the "Now Playing" app.
It might be an Apple bug. This issue may occur on both simulators and real devices.
Steps to reproduce:
Don't start your CarPlay app
Play audio in your iPhone app
Open CarPlay's "Now Playing" app
Return to your CarPlay app via the "Now Playing" app
Possible issues:
UITabBarItem overlaps.
CPListImageRowItem should only show four images, but instead, it shows five images.
Switch the template, exit the background and then enter the CarPlay app. The views return to normal.
Why are the images on CarPlay blurry?
Both local images and asynchronous images need to be adapted to scale.
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