It's a refrigerator.
2 seconds sound clip from the Back to the Future Part III movie soundboard.
You can hear this line at 00:38:02.247 in the DVD version of the movie.
Quote context
[...]
- When you burned the almanac in 1955, the normal timeline was restored.
- That means once we're back in 1985, you just have to go over to her house to wake her up.
- Well, I guess Miss Clayton will have to find other transportation.
- If I never meet the woman, there's no possibility of a romantic infatuation, right?
- All right. We'll get the DeLorean and get ourselves back to the future.
[...]