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Is Tesla's Full Self-Driving Capability Usable?

3 Answers

Murphy

07/29/25 8:15pm

Yes, although Tesla can achieve autonomous driving in China, it is only suitable for use on highways with relatively good road conditions. It cannot be fully relied upon for autonomous driving, and drivers must always pay attention to stationary objects on the road, such as traffic cones. Given the current complex road conditions in China, autonomous driving undoubtedly faces additional challenges. At this time, users should pay even more attention to the use of Tesla's autonomous driving features to avoid traffic accidents. Below is some relevant information about Tesla: 1. Introduction to Tesla: Tesla is an American electric vehicle and energy company that manufactures and sells electric cars, solar panels, and energy storage devices. Headquartered in Palo Alto, it was founded on July 1, 2003, by Martin Eberhard and Marc Tarpenning. The founders named the company "Tesla Motors" in honor of the physicist Nikola Tesla. 2. Tesla's Development History: Tesla's initial new energy vehicle startup team mainly came from Silicon Valley, adopting an IT philosophy to build cars rather than the traditional approach represented by Detroit's automakers. Therefore, Tesla's venture into electric vehicles is often seen as a story of a Silicon Valley upstart challenging the Detroit giants.

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DelAniyah

08/14/25 4:40pm

I've been driving a Tesla Model 3 for three years with the FSD option. The automatic lane changing and off-ramp features work great on highways, and it's stress-free in traffic jams. However, it still hesitates at complex urban intersections, especially when bicycles suddenly cross - requiring immediate takeover. The latest version can recognize traffic light turns, but recognition rates drop significantly in rainy weather. Tesla keeps optimizing through OTA updates. Personally, I consider it semi-autonomous driving level - hands must stay on the wheel, and for safety I recommend treating it only as an advanced driver-assistance feature.

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MacTyler

10/16/25 3:22am

My friend just picked up a Model Y and specifically tested the FSD Beta. It handles automatic left turns in urban areas quite steadily and can even recognize traffic cones to detour around construction zones. However, it suddenly decelerates when encountering unclear lane markings, and once even misidentified a bus stop as an obstacle, triggering an emergency brake. Compared to the traditional gasoline car I drive, this technology is indeed advanced, but regulations require drivers to remain ready to intervene at all times. If you're considering a purchase, I recommend first understanding local policies, as approval scopes differ between China, the U.S., and Europe.

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What Does the Cylinder Block Assembly Include?

The cylinder block assembly of an engine consists of major components such as the cylinder block, crankshaft, crankshaft bearing shells, connecting rod bearing shells, crankshaft thrust washers, connecting rod assembly, piston, piston rings, piston pin, piston pin circlips, and cylinder liners. The engine assembly includes: Fuel supply and regulation system: Its primary function is to provide the required fuel for mixture formation and combustion within the engine cylinders. Crankshaft connecting rod mechanism: Its purpose is to convert the reciprocating motion of the pistons into the rotational motion of the crankshaft, changing the mode of force application, allowing rotational power to be transmitted to the gearbox for proper distribution. Valve train and intake/exhaust systems: Depending on the engine's combustion conditions, the valve train can appropriately adjust the mixture supply to the engine, maximizing combustion efficiency, while the intake/exhaust systems automatically open and close valves for intake or exhaust. Lubrication and cooling systems: The lubrication system also lubricates internal components during engine operation while transferring heat and dissipating some of the engine's heat. Pros and cons of replacing the engine assembly: The advantage of replacing the engine assembly is achieving superior power performance, and it also allows for minor program adjustments based on personal preferences to enhance the overall driving experience. However, the engine is an extremely complex instrument, and installation and matching must be error-free; otherwise, there will inevitably be certain safety hazards, potentially causing 'secondary damage' to the entire vehicle, with the slightest negligence possibly leading to catastrophic consequences.

Which circulation mode should be turned on for defogging in rainy weather?

Whether to use the internal or external circulation mode for defogging on rainy days depends on the specific situation. In summer, use the air conditioning for defogging with the internal circulation mode to reduce air humidity. In winter, use the warm air for defogging. The driver can first use the external circulation mode to reduce the temperature difference between the inside and outside of the car, wait a few minutes, and then switch to the internal circulation mode. Method for defogging with air conditioning in summer: The driver can first press the A/C switch button, then turn on the front windshield defogging button, set the temperature to the lowest, and adjust the air volume. After a while, the fog on the front windshield will be eliminated. If fog is found on the rear windshield and side mirrors, the rear window heating button can also be turned on while defogging the front windshield to eliminate the fog on the glass. Method for defogging with warm air in winter: If the car has just been started, do not turn on the air conditioning immediately. Wait a few minutes for the engine to warm up. When the water temperature reaches a certain level, turn on the warm air, set the air volume to the maximum, and then turn on the front window defogging button. After a while, the fog on the front windshield will be eliminated. This method is also applicable to fogging on the outside of the glass in summer.

What is the positive direction of the XYZ axes in the vehicle coordinate system?

To determine the positive directions of the X, Y, and Z axes, place the back of your right hand facing the screen. The thumb points in the positive direction of the X axis. Extend your index and middle fingers, with the index finger pointing in the positive direction of the Y axis. The direction indicated by the middle finger is the positive direction of the Z axis. The introduction to the vehicle coordinate system is as follows: Measurement method of the vehicle coordinate system: Its origin coincides with the center of mass. When the vehicle is stationary on a horizontal road surface, the X axis is parallel to the ground and points forward, the Z axis passes through the vehicle's center of mass and points upward, and the Y axis points to the driver's left side. Characteristics of the vehicle coordinate system: Its origin coincides with the center of mass. Currently, there are several commonly used definitions of vehicle coordinate systems in academia and industry. These include the ISO international standard definition, the SAE (Society of Automotive Engineers) definition, and the IMU (Inertial Measurement Unit)-based coordinate definition. In vehicle dynamics analysis, the ISO-defined vehicle coordinate system is more common. The SAE-defined vehicle coordinate system aligns with the body coordinate system commonly used in aerospace. The IMU-based vehicle coordinate system is more prevalent in IMU-related applications. Regardless of which coordinate system definition is used, as long as it is applied correctly, it can accurately describe the vehicle's position and determine the relative positional relationships between surrounding objects and the vehicle itself.

Why is there a prompt to calibrate tire pressure?

Car tire pressure calibration refers to the tire pressure monitoring system alerting when there is an issue with tire pressure. It continuously monitors tire pressure in real-time while driving and alerts the driver in case of air leakage or low pressure to ensure driving safety. There are three common types of tire pressure monitoring methods: Direct Tire Pressure Monitoring: Direct tire pressure monitoring devices use pressure sensors installed in each tire to directly measure the tire pressure. The pressure information is transmitted wirelessly from inside the tire to a central receiver module, which then displays the pressure data for each tire. The system automatically alerts when the tire pressure is too low or there is a leak. Indirect Tire Pressure Monitoring: When the pressure in a tire decreases, the vehicle's weight causes the rolling radius of that tire to become smaller, making it rotate faster than the other wheels. By comparing the differences in rotational speed between tires, the system monitors tire pressure. Indirect tire pressure monitoring systems essentially rely on calculating the rolling radius of the tires to monitor pressure. Introduction to Tire Pressure Monitoring System (TPMS): This system combines the advantages of both the above systems. It is equipped with direct sensors in two diagonally opposite tires and a four-wheel indirect system. Compared to a full direct system, this hybrid system reduces costs and overcomes the limitation of indirect systems, which cannot detect when multiple tires simultaneously have low pressure. However, it still cannot provide real-time pressure data for all four tires like a direct system.

What should be paid attention to when installing new tires?

When installing new tires, the following points should be noted: 1. Choose the appropriate tires. The specifications of the tires should be the same as the previous tires and the other tire on the same axle; 2. The valve should also be replaced, because after replacing the tire, the aging cycle of the new tire and the valve is different; 3. Installation direction and inflation. If the original tires are used, they should be installed according to the manufacturer's requirements. If non-original tires are used, the side with the production date is usually facing outward; 4. New tires should be installed on the rear axle of the vehicle as much as possible. If tires with more wear are placed on the rear axle of the vehicle, the drainage capacity of the rear wheels will be reduced, thereby increasing the risk of driving in rainy days. Therefore, if only two new tires are installed, they should be installed on the rear wheels; 5. Do not brake too hard after replacing new tires; 6. When removing the tire, unscrew the screws diagonally.

What does it mean when the clutch closes inadvertently?

The meaning of the clutch closing inadvertently is that it occasionally closes without being controlled by the system. Here are some precautions regarding clutch usage: 1. Situations where the clutch is not needed: When the vehicle is driving normally, the foot should not rest on the clutch pedal. While driving, the half-engaged clutch should not be used. In special circumstances where half-engagement is necessary, the duration of half-engagement should be minimized to prevent burning the clutch friction plates. 2. Situations where the clutch is needed: Such as when descending a slope or driving on muddy or icy roads, and when quickly downshifting to a lower gear is required. 3. Clutch release speed: The clutch should not be released too abruptly. Generally, the release is slowest in first gear, and slightly faster in other forward gears. When starting in first gear, the clutch pedal must be fully depressed. When shifting up, the clutch pedal only needs to be depressed until the clutch friction plates disengage before shifting, and does not need to be fully depressed again.

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