Yes, you can use headings and subheadings to navigate through the Reading section of the IELTS Academic module.

- Introduction:
The Reading section of the IELTS Academic module consists of three long passages with a variety of question types. It assesses your reading skills, including your ability to understand the main ideas, specific details, and the logical argument of a passage. To effectively navigate through this section, using headings and subheadings can be extremely helpful.

- Importance of headings and subheadings:
1. Organizing the information: Headings and subheadings provide a clear structure to the passage, making it easier to understand the flow of information and the main ideas in each section.
2. Locating specific information: By scanning the headings and subheadings, you can quickly identify the relevant sections that contain the information needed to answer a specific question.
3. Time management: Heading and subheading navigation can save you time as you can prioritize the sections that are most likely to have questions related to the given task.
4. Improving comprehension: By understanding the overall structure of the passage through headings and subheadings, you can better comprehend the purpose and context of the information presented.

- Strategies for using headings and subheadings:
1. Preview: Before diving into the passage, spend a few seconds scanning the headings and subheadings to get a general idea of the content and organization.
2. Skim: Skim through the passage quickly, paying attention to headings and subheadings. This will help you locate the sections relevant to the questions and understand the main ideas.
3. Focus on keywords: Look for keywords or phrases in the headings and subheadings that match the keywords in the question. This will guide you to the specific part of the passage that contains the answer.
4. Underline or highlight: As you read the passage, underline or highlight key information in the headings and subheadings that relate to the questions. This will make it easier to refer back to them later.

- Conclusion:
Using headings and subheadings in the Reading section of the IELTS Academic module can greatly enhance your performance by helping you navigate the passage efficiently, locate specific information, manage your time effectively, and improve overall comprehension. Practice this strategy during your preparation to become more proficient in using headings and subheadings to your advantage.