We may receive a commission on purchases made from links. Brake fluid, engine oil, coolant ... there's always something to keep track of, fill, or replace when maintaining your car. Is blinker fluid ...

Q: Regarding the need for routine light bulb checks, you can eliminate turn signal indicator lights. Nobody uses them anymore. — L.K., Chicago A: We still see a few old-timers using turn signals, but ...

You can't blame these youngsters for not knowing blinker fluid isn't real and their reaction to being duped by dad is priceless. It was all caught on video by a tricky Michigan dad and now it's gone ...