correct there is no dip stick,on the bottom of the trans pan there are 2 plugs the larger with a 17mm hex inset is the fill plug the other is the drain after draining fluid fill with a gravity bag until it starts to drip out start the engine and start filling again at 35 - 45 degrees celcius fluid should jut drip slightly if it runs out its to full make sure put fill plug back in before turning off engine the fluid is a special available at the dealer it is expensive