Well it's good to hear that the batteries are lasting.
Meanwhile those that have Ice petrol engines, how is your PPF performing?
Quite a different car, I have a Peugeot 308 petrol 1.2 PPF, four yo and 50,000. I have towed about 10k with it. I have
never had a warning light. I have read suggestions to still give the PPF a higher rev run, so every few months on the freeway I go down 3 gears, 3-4,000rpm for about 20 mins.
Our forum is full of reports of DPF problems, hard to avoid, especially with short running. But can't recall any problems with PPF. Many comments that these don't give the problems that diesels do. Also writers asking for car recommendations are often told if they do short trips to get a petrol and avoid DPF.
I think if PPF's were going to give problems similar to DPF's they would have shown up by now in Peugeots which have had them for 4 years. I have read the Tucson forum you attached, sounds like that engine has a specific issue.