You know, in high school, some friends of mine actually had a girl convinced that her blinkers weren't working because she was low on "blinker fluid."
"...had a girl convinced that her blinkers weren't working because she was low on 'blinker fluid'."
When I lived in Alaska and newbies came in from Texas to work the pipeline, we'd send them to the auto shop to have winter air put in their tires.