The audio is pretty faint and they have some small talk before it gets really loud.
Starting from the 1:54 mark
Wife: No. Stop
Patrese: (Silence with a grin).
2:08
WIFE: No. your doing it on purpose. Riccardo! Oh, God, Oh God. Really, NO, NO, NO! I'm not enjoying myself. Please, I just wanted to see.....
(with a higher pitch) This is not a Formula 1 car. This is not a Formula 1 car for this track. Oh, God, Mamma Mia. Why don't you go slower. Please. Why don't you have respect for a mother with children that are waiting for me at home.
PATRESE: (Silence with a grin).
2:42
WIFE: No. No. Riccardo.
NO, NO, GO SLOWER. YOUR CRAZY. LOOK, LOOK PLEASE. PLEASE RICCARDO GO SLOWER. PLEASE go slower.PATRESE: (Silence with a grin).
2:59
WIFE: Mamma Mia, Riccardo.
LET ME OUT. NO. PLEASE, ENOUGH. YOUR A PIECE OF SH!_. GO "F" YOURSELF. YOUR A (BLEEP). (Then a bit of sign language). I told you I didn't want to get in. Please Virgin Mary. Everytime I get in a car with you I want to throw up!!PATRESE: (Silence with a grin)
After they discover the hidden camera on the dash, she asked him if he knew about it and he denied knowing it was there. He later asked someone in the pit (in English) if they got it on film.