Final answer:
When following a truck, it is important to stay out of its blind spots located to the front, sides, and rear.
Step-by-step explanation:
When following a truck, it is important to stay out of its blind spots, which are the areas that are not visible to the truck driver. These blind spots are located to the front, sides, and rear of the truck. By staying out of these blind spots, you can ensure better visibility and reduce the risk of a collision.