What is a C2D Driver's License?

What Causes a Loose Steering Wheel?

The reasons for a slightly loose steering wheel may include the following: 1. Issues with the transmission system: If the looseness occurs at high speeds, it is likely due to problems with the vehicle's transmission system. You should first visit a repair shop to check whether the alignment angles of all tires are within standard parameters. If not, adjustments should be made as soon as possible. 2. Looseness when turning the steering wheel, caused by a belt being too loose or too tight: If looseness occurs when turning the wheel, it might be due to the timing belt being either too loose or too tight. 3. Sudden looseness of the steering wheel at high speeds, caused by excessive or harsh braking: If the brake pads overheat and deform upon cooling, it is advisable to replace the brake disc. Alternatively, if the brake disc does not need replacement, ensure it returns to a usable condition. 4. Looseness at specific speeds, indicating tire issues: If the steering wheel becomes loose every time the vehicle reaches a certain speed, the tires may need balancing. 5. Looseness on bumpy roads, possibly due to tie rod end problems: If you feel the steering wheel loosen on rough terrain, it could be due to severe wear on the tie rod end or minor changes in tire shape. In such cases, a thorough inspection is necessary.

5

4

Share

Which direction do the wheels turn when the steering wheel is turned to the right?

When the steering wheel is turned to the right, the wheels turn to the right. When the steering wheel is turned "to the left" or "to the right", the wheels turn in the direction of forward motion: turning left makes the wheels turn left, and turning right makes them turn right. Additional information: Relevant knowledge about the steering wheel is as follows: 1. Definition: A wheel-shaped device used to control the direction of travel in cars, ships, airplanes, etc. It is connected to the steering shaft via splines and converts the force applied by the driver on the edge of the steering wheel into torque, which is then transmitted to the steering shaft. The steering wheel is the part of the car that the driver interacts with the longest, uses most frequently, and reflects the most concentrated user demands. 2. Design: The steering wheel is generally circular in shape, with high-performance sports models often flattening the bottom arc. This design is now also applied to regular models. 3. Design features: Ergonomics, such as convex pressing surfaces, mountain-like designs on the back of the grip, suitable hardness and roughness. The wheel diameter is typically 365~385mm, and the grip diameter is 30~50mm.

20

4

Share

What are the environmental hazards caused by automobiles?

Engine-powered vehicles pose the following environmental hazards: 1. Harmful gas emissions from automobile exhaust: While burning gasoline for power, cars emit carbon monoxide, which damages the Earth's protective ozone layer. Without the ozone layer, global temperatures rise, sea levels increase, and land area diminishes. 2. Automobile exhaust also has toxic effects on plants: Secondary pollutants in exhaust, such as ozone and peroxyacetyl nitrate, can cause necrotic lesions and dry spots on plant leaves, while ethylene affects flowering and fruiting. Exhaust is particularly harmful to crops like sugar beets, spinach, tomatoes, and tobacco, leading to reduced yields along highways due to pollution. Methods to reduce automobile environmental pollution: 1. Promptly detect leaks. Leaks of lubricants and other fluids from vehicles significantly pollute the air, so daily inspections are necessary to identify and repair them immediately. 2. Prevent air conditioner leaks in vehicles. Conduct a thorough inspection of the vehicle's air conditioning system annually to prevent Freon leaks. Even during seasons when the air conditioner is not in use, occasionally turning it on helps maintain seals and prevent leaks. 3. Check the choke valve. A poorly installed choke valve is a major cause of automobile air pollution. If too loose, it can cause oil deficiency in the engine, making the car difficult to start; if too tight, it allows excessive gasoline into the engine, leading to the emission of unburned hydrocarbons from the exhaust pipe, polluting the air. 4. Avoid burning engine oil. Blue or blue-white smoke from the exhaust pipe indicates that the car is burning engine oil, which significantly pollutes the air and requires immediate repair.

19

5

Share

What are the hidden features of the Volkswagen T-Roc?

Volkswagen T-Roc's one-touch window lift can be matched with the key to achieve remote control long-press of the lock button to close all four door windows, including the sunroof. Long-pressing the unlock button will automatically open all four door windows, including the sunroof. This feature is quite useful in hot summers. You can also adjust the unlock horn to sound once and the lock horn to sound twice. The number of flashes for the hazard lights can also be adjusted among other hidden features. Below are the specific details: 1. Interior: The T-Roc still features the familiar Volkswagen family design style, with a conventional T-shaped layout for the dashboard, focusing mainly on simplicity and practicality. The decorative panel spanning the dashboard can be customized with individual color options, meeting the personalized needs of different consumers. The 8-inch central control screen supports Apple CarPlay and Baidu CarLife, with fine display and sensitive touch controls, making it simple and convenient to use without much difficulty. 2. Powertrain: (1) The T-Roc offers two engine options: 1.2T and 1.4T. The 1.2T (200TSI) engine has a maximum power of 85kW (116PS), paired with a 5-speed manual transmission; (2) The 1.4T low-power version (230TSI) engine has a maximum power of 96kW (131PS), paired with a 7-speed dual-clutch transmission; (3) The 1.4T high-power version (280TSI) engine has a maximum power of 110kW (150PS), paired with a 7-speed dual-clutch transmission, and offers four-wheel-drive models equipped with the 4MOTION system.

17

1

Share

What Are the Pros and Cons of Autonomous Vehicles?

Here is an introduction to the advantages and disadvantages of autonomous vehicles: 1. Advantages of Autonomous Vehicles: 1. Economic Benefits: Once autonomous vehicles are fully integrated into daily car use and road transportation systems, they will bring enormous economic benefits to society as a whole. For reference, China experiences over 200,000 road traffic accidents annually, resulting in direct economic losses exceeding 1.2 billion RMB. Even if autonomous vehicles can reduce accidents by just 10%, it would save 120 million RMB in losses. 2. Saving Lives: Statistics show that 90% of road traffic accidents are caused by human error, with distractions, fatigue, drunk driving, and speeding accounting for a significant proportion. Worldwide, 1.3 million people die in car accidents each year, with over 60,000 in China alone. Autonomous vehicles can eliminate all accidents caused by human error, significantly reducing the accident rate. 3. Enhanced Mobility for Those Unable to Drive: This includes individuals with color blindness, the elderly, and people with disabilities, who often lack the ability or right to drive. Autonomous vehicles will allow them to enjoy driving or convenient travel without posing a danger to themselves or others. 4. Time Savings: Autonomous vehicles can sense and communicate with other cars around them. Behaviors like random parking, reckless lane changes, and cutting in line will become a thing of the past, leading to better traffic order. Minor scratches and collisions at low speeds will also be avoided, resulting in faster travel speeds and higher efficiency for commuters. 2. Disadvantages of Autonomous Vehicles: 1. Significant Increase in Vehicle Ownership: Due to the nature of autonomous vehicles, people who previously couldn’t drive may now own such vehicles, leading to a substantial increase in car ownership. While this isn’t entirely negative, it could bring other issues, such as tighter parking spaces. 2. Hacking Risks: Autonomous vehicles are more like robots, controlled by predefined programs and AI chips. Like all automated systems, they are vulnerable to hacking or crashes due to faults or bugs. No system is entirely foolproof. If hackers gain access to a car’s system, they could control it to do anything. 3. Job Losses: The widespread adoption of autonomous vehicles will inevitably lead to job losses for those who rely on driving commercial vehicles for a living. This is an inevitable consequence of societal and technological progress. A fault-free autonomous truck can operate 24/7 safely and generate multiplied efficiency, which is hard to achieve with human drivers. 4. High Costs: Like any new technology requiring years of development and testing, the initial cost of autonomous vehicles may be astronomical. Estimates suggest that current autonomous test vehicles cost around $300,000, equivalent to a 3-4 million RMB car for Chinese consumers.

19

2

Share

Can ETC be installed without an annual vehicle inspection?

ETC can be installed on a vehicle without an annual inspection because ETC is not part of the annual vehicle inspection process. How ETC works: The vehicle-mounted electronic tag installed on the windshield communicates with the microwave antenna in the ETC lane at toll stations. Through computer networking technology, it settles payments with the bank in the background, allowing vehicles to pay highway or bridge tolls without stopping at toll stations. Documents required for ETC application: The vehicle owner’s original valid ID card, the original and a copy of the vehicle registration certificate (the page with the most recent annual inspection stamp must be provided). If applying on behalf of someone else, the original valid ID card of the proxy is also required. If applying through major bank branches, a debit or credit card from the corresponding bank is needed. Some banks only support ETC binding with credit cards, while others may require freezing a certain amount as a deposit when binding with a debit card. Documents required for company vehicles: A letter of introduction from the vehicle owner (with official seal); a copy of the organization code certificate or business license (with official seal); the proxy’s original ID card; the original vehicle registration certificate; and the vehicle for which ETC is to be applied. ETC billing principle: There are one or more ETC lanes on highways. Through dedicated short-range microwave communication between the vehicle-mounted electronic tag on the windshield and the microwave antenna in the ETC lane, computer networking technology is used to settle payments with the bank in the background, enabling vehicles to pay tolls without stopping at toll stations. This is based on the principle of "pass first, deduct later." Benefits of installing ETC: Time-saving: Eliminates the hassle of waiting in line; Green and eco-friendly: Reduces noise and exhaust emissions by allowing vehicles to pass toll stations without stopping; Reduces wear and tear: Saves costs by reducing the frequency of vehicle starts and stops, lowering wear and fuel consumption; Improves efficiency: ETC lanes can theoretically increase traffic efficiency by 2-3 times, making traditional ETC faster, more advanced, and more high-tech. Compared to license plate payment, ETC technology is more mature and advantageous. More policy support: The State Council explicitly stated in the "13th Five-Year Plan for the Development of a Modern Comprehensive Transportation System" that "by 2020, the interoperability of transportation cards in key city clusters will be basically achieved, and the proportion of vehicles equipped with ETC will significantly increase." It also set a target of "achieving a 50% ETC usage rate for road passenger vehicles by 2020" in the "13th Five-Year Plan" for comprehensive transportation development. Future possibilities: In addition to continuously improving the convenience of ETC installation and usage rates for passenger vehicles, future efforts will include promoting ETC use for trucks and exploring deeper integration of ETC systems with smart transportation developments such as vehicle-to-vehicle communication and vehicle-road coordination. This will provide comprehensive travel services for vehicle owners, meaning more application scenarios will support ETC. ETC usage precautions: The ETC transaction sensing range is 8 meters. If the vehicle in front stops, maintain a distance of at least 10 meters to prevent automatic payment for the vehicle in front due to ETC device failure or lack of an ETC device. The recognized speed for ETC lane passage is 20 km/h. Speeding may prevent the system from reading the vehicle’s device information, leading to payment failure. Unauthorized removal or movement of the OBU device, or detachment or loosening of the ETC electronic tag, may render the tag invalid. It can be taken to the bank where the ETC card was issued or the highway service office for inspection. If the detachment or loosening is not due to human factors, reactivation may suffice. When using a debit card bound to ETC, insufficient balance may cause payment failure. Follow the guidance of on-site staff to use the manual MTC lane and pay with cash or card. Thick windshields may cause poor sensing, especially for vehicles that have had their windshields replaced after accidents or modified front windshields.

18

3

Share

What is a C2D Driver's License?

What Causes a Loose Steering Wheel?

Which direction do the wheels turn when the steering wheel is turned to the right?

What are the environmental hazards caused by automobiles?

What are the hidden features of the Volkswagen T-Roc?

What Are the Pros and Cons of Autonomous Vehicles?

Can ETC be installed without an annual vehicle inspection?

Is the car too far to the left when reversing into the garage because the steering wheel was turned too early or too late?

What is the reason for one side of the Volkswagen Lavida's small light being on and the other side not?

Where is the engine number located on the Audi Q7?

What Causes Steering Wheel Play?