Esplain pls

Will somebody explain this New Yorker cartoon

Found on old people Facebook

Is this a reference to something?

I don’t know what it means.

Huh?

Is this a reference to something?

What does it mean?

Why do people call this a jelly doughnut

I am not sûre if it’s a joke but I don’t get it

I don’t understand anything that they said

I’ve never seen Cars

I really dont know here