Hi Chris, thanks for replying.
Yes, I've 'forgotten' the iPhone and unpaired from the car's system.
I've reset the Sync settings in the car.
I've reset network settings in the iPhone.
Switched off Bluetooth, then back on again. Switched airplane mode on/off.
Hard reboot of phone.
Nothing.
What happens is, I press the phone button on the console and it tells me there isn't a phone currently paired and do I want to. I press the relevant button and the display comes up with a code number to input into the iPhone. But on looking at the Bluetooth menu the phone simply doesn't find 'Sync'.
The phone does pair with other devices. Just not my car.
It would seem like it's an issue with the car's info system as my wife's iPhone will also not find Sync (also updated to 13.4.1).
My concern is that the system may be too outdated and IOS has left it behind. Which begs the question: Why did Apple change this when it worked perfectly ok before??
Very often updates rectify issues that, apparently, have no benefit to the use of my phone. But in some cases it actually removes a very important function.
Whether or not I can update the Ford Sync system I do not know. But I really shouldn't need to :-(
I don't expect you to be privy to what may/may not bi included in forthcoming updates to IOS, but wondered if you know whether or not functionality that has been removed in earlier 'fixes', has subsequently been reinstated??