Your dishwasher by itself is not a complicated appliance. All dishwashers tend to work in a similar manner, with added features that change different parts of the cleaning cycle. You can learn the basic operations, along with some of the individual features.
Once you load the dishwasher and fill the detergent dispenser, shutting the door will activate a safety switch that allows the unit to turn on. Setting your dishwasher to a normal wash cycle and starting it begins the process. Some dishwasher use buttons or dials, newer models may use touch pads.