If you find that the way the house responds to certain commands is not ideal for you, the smart home can be reprogrammed to work differently. This can usually be done by the installation company from their offices and generally will not involve a visit to the house.
Many items are set so the user can change settings to suit themselves. However, some of the interactions require more knowledge to programme and understand. The choice then comes down to how much do you want to be involved. Most people like to simply enjoy the use and the benefits of the systems and contols. At a certain point a lot of knowledge and experience helps.