This post is from the WWDC26 CarPlay Q&A.
Can Siri’s conversational features in CarPlay invoke third-party App Intents without the user opening that app’s CarPlay tile? e.g. “Hey Siri, ask [App Name] …”?
Can Siri’s conversational features in CarPlay invoke third-party App Intents without the user opening that app’s CarPlay tile? e.g. “Hey Siri, ask [App Name] …”?
AppIntents that adopt app schemas can be invoked without the app name being mentioned or opened.
See the WWDC talk "Build intelligent Siri experiences with App Schemas" here: