How To Connect Iphone to Carplay 2017 Prius 2

I have a 2017 Prius model 2. It has a Carplay button on steering wheel, just to the right of the phone
buttons for call and hangup.
Have an iphone 6 with up to date software and a CarPlay option in the General settings.

My iphone will pair using Bluetooth. The car will read out loud text messages coming in on my phone.
I can place calls through the car on mt iphone.

I feel like my phone connects to the car and works over Bluetooth very well.

So I pressed the steering wheel carplay button with the face and little voice symbol.
I trained the car using ten phrases.

When I press the button it says: What do you want me to do ?
If I say something like: "Send text message", car responds "sorry, the phone does not do that".

When I go to the phone Settings -> General -> Carplay, it says no cars found.
I press the button as the iphone says to do and all that happens is that Carplay in the Prius
starts and asks what to do.

So the car side works, the phone is paired, calls can be made, text messages read out loud.
But no carplay ?

Can anyone shed some light on this ?

 

Thanks, I realize now that the Carplay picture on the iphone is not the same picture as the Voice Command button on
the steering wheel, and everything written here is correct. The manual actually says "an iphone cannot reply to text".
So it sure does a lot of cool stuff, and I can still dial by voice (siri is on), has my contacts list synced,
reads incoming text messages, simultaneously allows for my ipod as a music player
and my phone as a phone and a second music player.
A lot of features for a basic car.
Looks like they provide an Entune 1 (which I have in the prius 2) and Entune 2 which is the premium version.

I was mislead by other forums on apple and such that made it sound like using the voice command
would function like carplay, which is not true.

Thanks everyone, case closed. I wonder if we should actually delete this whole thread!