Final answer:
For self-study of driving without taking practical lessons, focus on Section 4: Road Signs of the driver's manual, as it provides crucial information for safe driving. Other sections of the manual complement this knowledge and should not be overlooked.
Step-by-step explanation:
If you're unable to take driving lessons and are looking to study on your own using the driver's manual, you should focus on multiple sections, but primarily on Section 4: Road Signs. This section is essential for understanding the visual language of driving that communicates important information about road conditions, traffic control, and regulations that keep traffic orderly and predictable. Understanding road signs is fundamental for safe driving.
While Section 1: Traffic Laws is also crucial for understanding the rules of the road, Section 2: Defensive Driving is practical for learning how to anticipate and react to other drivers, and Section 3: Vehicle Maintenance is important for ensuring your vehicle is safe, the knowledge of road signs is critical, especially if you haven't had any practical driving experience.
Keep in mind that all sections of the manual contribute to a comprehensive understanding of driving and are important for passing written tests and for safe driving practices in real-life situations. Nevertheless, being proficient in interpreting road signs is a key step in becoming a responsible driver.