Activating HFP for Apple Maps support in car in iOS 10?

This was helpful. But I'd like to point out what I believe Apple did wrong here.

1) "Allow HFP Prompts" is IMO an extremely non-intuitive option, which will not be recognized as a solution by the great majority of users. Note that google maps has the same setting but it's labeled "Play as Bluetooth phone call". IMO Google's description is hugely more intuitive. Isn't being intuitive supposed to be a priority at Apple?

2) For new users (and not so new users) IMO it's also far less than intuitive to figure out that you have to click the bottom panel of the map screen to get options. Apple uses the circled "I" in many places, which is one thing to learn and could much more easily be understood everywhere. Again, Google uses a very consistent three lines at the top left of the screen to go into options and settings. Its totally intuitive.

(This same obscurity exists in the new apple message app. Where one has to guess that you can tap on a persons name at the top of the message info screen to see their contact info. It looks like a title, which it is, there is ZERO hint that this is a clickable option)

3) Having to start up maps, choose a destination, and begin navigation before being able to see many of the settings is IMO also less intuitive than googles approach which ALWAYS offers

"3 bar settings menu" > settings > navigation settings

Apple used to be the absolutely most intuitive company in the world. There are many places where they seem to prioritize aesthetics OVER accessibility. I wish apple would again make accessibility the number one priority, beating the competition here rather than lagging.

Does HFP work in iOS11? Receiving nav prompts works this way in Waze and Google Maps in my vehicle, but I do not see this option in iOS Maps. I want to use this so I can listen to my radio while navigating. Using Bluetooth audio for iOS Maps starts up playing songs from my stored songs. I do not want this! Using the Dock setting does the same.

Just tried it again - iOS 11.0.3. - Does not work. With Bluetooth on in the car it will not use HFP (phone call) to interrupt the car radio to play the iOS Maps prompts. The options in the audio setup panel are iPhone and Handsfree Link (Honda Bluetooth). With Bluetooth selected and the radio on there are no iOS Maps prompts. Switch the audio system to Bluetooth and prompts are heard, but then I cannot listen to the radio. Also, the Music App busts in and starts playing in alphabetical order from my playlist - very annoying. You have to manually intervene to shut off Music from the iPhone or use Siri to stop it. Waze and Google Maps both work with the prompts coming through while the radio is on.

Allow HFP Prompts

When supported by your car, hands-free profile (HFP) allows navigation prompts to play through your car speakers when iPhone is not selected as the audio source. With Allow HFP Prompts turned on, you can have your car stereo sourced to a non-Bluetooth input such as your car stereo or satellite but still receive turn-by-turn directions from your iPhone or iPad through your car stereo speakers.

The HFP feature depends on your car stereo and your iPhone or iPad needs to have iOS 7. 1 or later. If you don't see the HFP setting when your iPhone is connected to your stereo, check with your stereo manufacturer.