What are the knowledge about car gears?

[McJonathan]

Car gears function as follows: 1. First gear: Starting gear, used for vehicle startup, not suitable for prolonged high-speed operation. 2. Second gear: Passing gear, mainly used for navigating road surfaces and handling complex situations, such as sharp-angle (right-angle) turns without special obstacles, densely populated and bustling areas, steep slopes, and bumpy roads. 3. Third gear: Transition gear, primarily used for low-speed driving in urban areas, facilitating easy acceleration to fourth gear or deceleration to second gear. 4. Fourth gear: Driving gear, mainly used for prolonged high-speed driving and economical travel, with most vehicles' economical speeds occurring in the low-speed range of fourth gear. 5. Fifth gear: High-speed gear, mainly used for long-distance highway driving.