The car will not move when you put it in gear.
The transmission will fail.
If you over fill your transmission fluid, you might blow out the transmission seals. It is most likely that some fluid will overflow, but no damage will occur.
DEATH
Alot of transmission fluids are the same as power steering fluid so I wouldnt worry
You replace the radiator
Possibility of fluid foaming and eventual transmission failure
what can happen to the transmission? Also is it possible to put fluid back in to save the transmission? You won't get far and you will probably do some damage to the transmission in the process.
If any fluid except for the correct transmission fluid is put into the transmission of a car, it will eventually fail. If this happens, a person must flush the transmission of the car.
it's ok
Its going to tear up the engine
Your tranny will start to slip and damage trans. Too much fluid can cause the transmission to blow seals. Drain out the excess, immediately.
Similar products should not be a problem