Look in glove box, got manual? May or may not help. No dip stick on this trans. so it will be hard to ckeck it with something it don't have! Seek help from a repair shop. Any leaks? May be another problem,have it checked at shop.
There is a check plug on the trans. It really needs to be on a lift to check the fluid level. Take it to a repair shop have fluid checked ask them to show you the plug and refill port on top of trans.Then you may be able to do it yourself. Ought to be a law against it but that just how it is! Not just Saturn either, many others also.
call the dealer they said i would need a trans fluid changed for 2007 saturn they need to change it every 30k mine saturn vue has 138767, now its starting to shake, poping noise on the motor like, lil rocks