How do you a transmission oil change on a Saturn Ion-3?

I try to look for a dipstick in the engine but I only see the one for the engine oil where is the one for the transmission located?How do you a transmission oil change on a Saturn Ion-3?if it is an automatic it should be in back of engine next to firewall about were engine and trans axle bolt together. and to change it the pan on transmission at the bottom has to come off. if manual it doesn't have a dipstick you check it by removing plug on side of tranny.How do you a transmission oil change on a Saturn Ion-3?It might be lower, not as conspicuous as the oil dipstick