You can tell when your car will take too long to shift to a higher gear when accelerating. Your transmission can also jump out of gear as well.
You know when french onion dip has gone bad because it has water on the top.
You want to make sure that the transmission isn't making any suspicious noises. That could be a sign either your transmission or transmission fluid has gone bad. Also, the transmission fluid should not be an odd color: it should be the color it was when it was replaced.
You will know if ground turkey has gone bad by the smell, if there is white spots or if it is snotty or slimy looking.
when it does not work
It smells bad, and is chunky.
Because it will smell sour or bad
In most cases you should be able to notice an unpleasant smell, if meat has gone bad.
When cooked turkey has gone bad in has a slightly rancid smell and feels slimy. When uncooked turkey has gone bad it smells and the coloring maybe off.
you sniff it
They taste bad and may grow mold.....
You will know if corn on the cob has gone bad because it will be mushy and start to become dehydrated. It may have mold or black edges.