This question is too vauge to give a good answer. You need to fill it to the proper level as recommended by manufacterer.
if you have zero transmission fluid it takes 9.5 quarts
Add transmission fluid until the dipstick reads full.
Fill the transmission filter with transmission fluid before you put the new transmission filter on. You probably will not need to add any transmission fluid.
6.8 qts.
In the transmission.
You put the Transmission Fluid in the Transmission (fill point transmission drip stick tube)
75w 90 if you have a manual transmission.... 2.8 quarts.
too much trans fluid can burn up the trans. just drain some out till it is at the correct level
The transmission will fail.
Low Transmission fluid
check your hand book
Depends on how many Cylinders on the car?