He never drives it. He just rubs it with a diaper.
6 seconds sound clip from the Ferris Bueller's Day Off movie soundboard.
You can hear this line at 00:26:56 in the Blu-ray version of the movie.
Quote context
[...]
- My father spent three years restoring this car. It is his love, it is his passion...
- It is his fault he didn't lock the garage.
- Ferris, what are you talking about?
- My father loves this car more than life itself.
- A man with priorities so far out of whack doesn't deserve such a fine automobile.
- No. No.
- Apparently you don't understand. Wow.
- He never drives it. He just rubs it with a diaper.
- Cameron, I'm sorry, but we can't pick up Sloane in your car.
- Mr. Rooney would never believe Mr. Peterson drives that piece of shit.
- Look, I'm sorry, there's nothing else we can do.
[...]