Renault Clio - cambelt or chain?

I have a 2014 Renault Clio 1.5 CDI auto. Does it have chain or belt and when should it be changed?

Does the Volkswagen Passat 1.4 TSI use a timing chain or belt?

Please could you tell me if this car uses a chain or cam belt? If the latter, what is the recommended service interval?

When should I change the cam belt on my Volvo S80?

What is the cam belt change interval on a 2016 Volvo S80 2.0 diesel? My local Volvo dealer is advising to replace the cam belt at 90,000 miles, is this correct?

Cam belt confusion - when should the timing belt be replaced?

I'm finding it difficult to definitive answers on cam belt changes on both of my cars. Some sources are saying 10 years/100,000 miles for my 2013 Jaguar XF Sportbrake 3.0D. I also own a 2015 Audi Q3 2.0...