There is a participation list in this link if you scroll down a little. https://www.ford.co.uk/owner/service-and-maintenance/service-promotions/assistance
Fiat do a similar thing as my wife had her Fiat 500 serviced yesterday and came back with a 1 year breakdown cover
Lookers Ford / Jennings dealerships in my area support this (highfive)
I used this service literally 3 days ago. Excellent deal. Car wouldn’t start in my driveway. AA actually turned up and were there within 15 minutes.
In my descition there is another link which has a list of dealers, lots still do offer it. I've had this for years but they stopped offering it at a service generally as you have to explicitly ask for it which is why I posted :)