I know washing your car doesn't make it go faster, but...
Grooming the Noble Steed
For those who don't clean their car out daily, have a rubbish bag, and remember at least one incident where the fast food wrappers attempted to rise up out of the back seat & stage a coup... Any extensive cleaning of the car. Taking it to the automated car wash only counts if you de-garbage & vacuum extensively afterwards. You could even consider it detailing your own car.
For those who don't clean their car out daily, have a rubbish bag, and remember at least one incident where the fast food wrappers attempted to rise up out of the back seat & stage a coup... Any extensive cleaning of the car. Taking it to the automated car wash only counts if you de-garbage & vacuum extensively afterwards. You could even consider it detailing your own car.