I am trying to develop an iOS application compatible with CarPlay.
According to this post Is iOS CarPlay API Public? How to Integrate CarPlay?, I have to be enrolled wi
You don't need to add anything for the SupportExternalAccessoryProtocols
key to run a basic CarPlay app in the simulator. This is for declaring protocols for functionality that might be specific to a particular set of head units.
What you are probably missing is the playable content entitlement. If you don't have an entitlements file, you'll need to create it for your app;-
Then add a boolean value of YES for the com.apple.developer.playable-content
key
This should now show your app on the CarPlay home screen in the simulator. As you allude, you won't be able to run that app on a physical device unless you can get Apple to add that entitlement to your account