What does the no-appointment period for Subject 4 mean?

[Dawson]

After passing Subject 3, you can take Subject 4 within seven days without making an appointment. This is the no-appointment period for Subject 4. Here is some relevant information: 1. Concept: Subject 4 is an additional safety and civilization knowledge test added to the Subject 3 road test. In official terms, there is no Subject 4. 2. Test content: The test paper consists of 50 questions, mainly in the form of cases, pictures, and animations, with a full score of 100 and a passing score of 90. The main test content of Subject 4 includes safe and civilized driving operation requirements, safe driving knowledge under adverse weather and complex road conditions, emergency handling methods for situations such as tire blowouts, and post-accident handling knowledge.