It was parked in a handicap zone. Perhaps they towed it.

5 seconds sound clip from the The Big Lebowski movie soundboard.

You can hear this line at 00:40:33 in the Blu-ray version of the movie.

Quote context

[...]

- And what do they got? My dirty undies. My fucking whites!

- Say, Dude? Where is your car?

- Who's got your undies, Walter?

- Where's your car, Dude?

- You don't know, Walter?

- It was parked in a handicap zone. Perhaps they towed it.

- You fucking know it's been stolen.

- Well, certainly that's a possibility, Dude.

- Oh, fuck it.

- Where you going, Dude?

[...]