Grandma never got this wagon fixed.
4 seconds sound clip from The Jetsons - The Space Car (Season 1, Ep. 4) TV Series.
You can hear this line at 00:07:41 in the Blu-ray version of the movie.
Quote context
[...]
- We're doing 2000 now, Knuckles baby. It won't go any faster.
- What a heap. Couldn't you have snatched a better car?
- Sorry, Knuckles, it's the only one my grandma had.
- It's the molecular franesgrator.
- Grandma never got this wagon fixed.
- Oh, yeah? Well, if we get caught, I'll fix your grandma's wagon.
- Come on. We've gotta find a hideout.
- Hold it. Duck into that garage, and we'll pick up something faster than this old heap.
- I'll just stash the loot behind the seat while we scout around for another getaway car.
[...]