Load the laundry into the washing machine and close the door tightly. Make sure not to overload the machine. Next, slide open the detergent drawer, add detergent, and then slide the drawer shut. Select the wash setting (whites or darks), temperature (hot, warm, or cold), and load size (small, medium, or large). Then press the start button. The washing machine will stop automatically when the wash cycle is complete. Which best shows that the author's purpose is to teach readers how to operate a washing machine