You'll have to get under there and look for the leak. It could be either one.
seven
Syncromesh Transmission Fluid, you can only get it at the dealerships and it's about $15.00 a quart.
Check to see how low the fluid is on the dip stick. Add fluid in small amounts, about one fourth of a quart at a time. Keep checking the level until the transmission is full but not over full.
How many quart of transmission fluid is requier for a Chevy impala 2007
1 quart
Need to remove a quart of trans. fluid to add a quart of lucas trans conditioner. Does not have a drain plug.
One quart.
About 1 quart
It uses a special kind of transmission fluid that you can only get from the dealer. Cost about $14 per quart, but it is what you must use.
You failed to mention what fluid you accidentally put in. In any case, have the transmission fluid flushed out and replaced with the proper ATF right away.
it only needs 1 Quart.
1 Quart.