https://screenrant.com/its-always-sunny-philadelphia-tsuma-car-dennis/

It's Always Sunny in Philadelphia season 16 introduces the Tsuma car brand, causing many viewers to wonder if Dennis' car is a real thing.

It’s Always Sunny in Philadelphia Pits Dennis Against Technology (https://www.cbr.com/its-always-sunny-dennis-technology/)

It's Always Sunny in Philadelphia gives Dennis a mental health day, so heads to the beach. It ends with is Dennis in a fight with modern technology.