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.

[LaAdrian]

I just got my driver's license and feel that learning about gears is quite important. A manual transmission car has six basic gears: 1st gear for starting, 2nd to 4th gears for acceleration and shifting, 5th gear for high-speed cruising, and reverse gear which should only be engaged after the car has come to a complete stop to avoid damaging the transmission. Automatic transmissions are much simpler: P (Park) locks the wheels, R (Reverse) is for backing up, N (Neutral) is for coasting, and D (Drive) is for normal driving. For steep climbs, you can try L (Low) gear or Sport mode. The timing for shifting depends on RPM and speed; beginners will find shifting around 2000 RPM the smoothest. Shifting too quickly can cause jerking, while shifting too slowly wastes fuel. It's recommended to practice manual transmission coordination in open areas regularly. With an automatic, you can simply put it in D and go, but always check the rearview mirror when reversing to ensure safety. Understanding these basics can help avoid mistakes, boost driving confidence, and make driving more enjoyable.

[SanJackson]

With over 20 years of experience driving sedans, I'm well-versed in gear operation. For manual transmissions, 1st gear is suitable for starting and climbing hills, while 2nd to 4th gears are for daily use. Shift up to save fuel when the RPM reaches 1800-2200, and always come to a complete stop before engaging reverse gear. In automatic transmissions, P, R, N, D, and L each serve a purpose: use D for highway driving and L for downhill to prevent brake overheating; when reversing with R, gently press the accelerator to avoid sudden impacts. In city traffic, mostly use D or automatic mode to prevent frequent manual shifting from wearing out components. Mastering shifting techniques is crucial—avoid low speed with high gear on uphill to prevent stalling, and don't rely solely on brakes downhill; using lower gears for speed control is safer. Remember to change transmission oil regularly for durability and fewer malfunctions. Smooth driving is key—sudden acceleration and braking harm the car.

[DeGideon]

I'm a car enthusiast who loves delving into gear history and technology. Manual transmissions have five or six forward gears plus one reverse gear, with mechanical shifting via a lever; automatics use P for Park, R for Reverse, N for Neutral, D for Drive, and S/L modes for different terrains. Technology advances so fast – from old-school manuals to modern CVT continuously variable transmissions, shifts are smoother now. Operationally, manuals require hand-foot coordination, with reverse needing a press or lift to prevent mis-shifts; automatics are push-button simple, making reversing effortless. Understanding these principles helps people better grasp how cars move and choose suitable systems, like using automatics in heavy traffic for convenience. Discussing gear evolution: manuals pursue driving feel, automatics prioritize ease.

[MacOmar]

Driving to work every day, gear knowledge is quite practical. Automatic transmission cars are my favorite—just shift to D and hit the road. At red lights, switch to N to save some fuel, and when reversing, shift to R while using the rearview camera. Manual transmissions can be tiring in city traffic with frequent gear changes, but they’re exhilarating on highways—just be cautious with reverse to avoid sudden acceleration. Personally, I prefer shifting to N and using the handbrake at red lights instead of P to reduce wear. Occasionally, I switch to Sport mode for overtaking, feeling the extra power. Gear selection depends on road conditions: higher gears save fuel on flat roads, while lower gears prevent slipping on steep slopes. These daily tips help me commute more safely and efficiently, reducing accidents and fuel consumption.