What are the plus and minus signs on the Audi A4L steering wheel?

What is the 2020 Vehicle Inspection Policy?

2020 introduced new regulations for vehicle inspections, as follows: 1. Non-operational passenger cars: Non-operational passenger cars (including non-operational sedans, small and micro passenger vehicles) are subject to a 6-year exemption policy, meaning new vehicles within 6 years are exempt from on-site inspections. However, note that every 2 years, an inspection label must be applied for from the traffic management authorities; otherwise, it will be considered as failing the inspection. SUVs and MPVs with 7 seats or more do not qualify for the 6-year exemption policy. 2. Vehicles registered for over 6 years: Vehicles registered for over 6 years are subject to an annual inspection policy; vehicles registered for over 15 years are subject to a semi-annual inspection policy. 3. Operational passenger vehicles: Operational passenger vehicles registered within 5 years are inspected annually; those registered for over 5 years are inspected every 6 months. 4. Trucks: Trucks and medium/large non-operational passenger vehicles are inspected annually for the first 10 years; those over 10 years old are inspected every 6 months. 5. Inspection date: The inspection date is the month of vehicle registration, and inspections can be conducted up to 3 months in advance. For example, a vehicle registered in May can be inspected in March, April, or May. 6. Vehicles eligible for annual exemption: Vehicles eligible for annual exemption can complete the inspection online without visiting the vehicle management office. After verifying compulsory traffic insurance through the internet traffic safety service platform, the exemption label can be directly applied for online, eliminating the need for in-person visits or driving license endorsements, with the label delivered by mail.

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Daily Driving Tips for Manual Transmission Cars

Manual transmission driving tips are as follows: 1. Sitting Posture: Place your right foot lightly on the brake pedal with the leg slightly bent to ensure sufficient force can be applied when needed. 2. Starting the Car: When starting a manual transmission car, depress the clutch pedal fully with your left foot, engage first gear, place your right foot lightly on the accelerator, slowly release the clutch while simultaneously releasing the handbrake and gently pressing the accelerator. After slightly lifting the left foot off the clutch pedal, immediately press the accelerator to achieve a smooth start. 3. Gear Shifting Timing: Generally, when driving in the city, the engine speed should be kept below 2000 RPM to balance good power performance with fuel efficiency. Experienced drivers can determine the optimal gear shifting moment by listening to the engine sound and feeling its vibrations. 4. Stopping at Traffic Lights: When approaching a traffic light, make an early judgment. If the light is about 200-300 meters away and the green light starts blinking, shift to neutral and coast to the intersection to wait for the red light. This saves fuel and is gentler on the brakes. 5. Downhill Techniques: When descending a long and steep slope, avoid coasting in neutral as it disables the engine braking function. In case of sudden situations, relying solely on brakes may not provide quick deceleration and could even lead to brake failure. 6. Avoid Prolonged Half-Clutch State: Some drivers habitually keep their left foot on the clutch while driving, thinking it offers better control. However, this practice significantly damages the clutch plate, especially during high-speed driving where prolonged half-clutch states can cause rapid wear. Additionally, starting in second gear can also lead to premature clutch damage.

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What does it mean when the EPC light on the car dashboard is on?

The EPC indicator light can illuminate in two scenarios: during the power-on self-test and under other circumstances. The power-on self-test is an indication that the vehicle is checking the status of all sensors before driving. Typically, if the engine is not started after power-on, the light will turn off by itself after about 3 seconds. If the EPC light remains on after the vehicle starts or illuminates under other conditions, the common causes include faults in the engine intake system, throttle body issues, fuel system problems, engine malfunctions, ECU control unit failures, or brake light faults. Below is a detailed explanation of the reasons for the EPC light illuminating under other circumstances: Engine intake system fault: The EPC light will activate if the engine intake is obstructed or insufficient. Throttle body fault: Carbon buildup is a common issue with the throttle body. Additionally, dirt accumulation can affect intake, triggering the indicator light. Fuel system fault: This includes situations like substandard fuel, fuel deterioration, or poor fuel atomization. Engine fault: Insufficient engine pressure or problems with components like the intake valve in the powertrain can also cause the EPC light to illuminate. ECU control unit fault: Examples include interference with the vehicle's computer signals or false alarms from the computer. Brake light fault: This covers cases where the brake lights fail to illuminate, brake switch malfunctions, or brake circuit issues. Solutions for when the EPC light is on: Troubleshoot the intake system, use fuel with the appropriate octane rating, clean the throttle body, etc. Remove carbon deposits from relevant parts. Re-flash the ECU with updated data. If the EPC light comes on, the owner can first try turning off the engine and restarting it to see if the light remains off. If it does not come back on, there may be no issue, and the EPC light might have been affected temporarily. If the EPC light stays on or frequently illuminates, the vehicle should be taken to the nearest service center for professional diagnosis and repair to eliminate potential safety hazards. The full English name of EPC is Electronic-Power-Control, which translates to electronic power control. Most people refer to it as the engine electronic stability system. The EPC system primarily includes controllers and sensors related to the powertrain. When sensor data in the system is abnormal, the EPC system will take predefined actions on the powertrain. Common EPC indicator lights are usually displayed in two colors: yellow and red. If the EPC fault light is yellow and the car can still operate normally, drive slowly to a repair point for inspection. If the EPC fault light is red, it indicates a more serious issue. The driver should pull over immediately and contact a repair technician. Continuing to drive could severely damage the vehicle's core components or compromise safety.

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What is the ACC switch?

There are two types of ACC switches in cars: one is located on the ignition key switch, and the other is an independent button on the steering wheel. The ACC on the ignition key switch allows the use of auxiliary electrical equipment (such as the radio) when the car is turned off. The independent ACC button on the steering wheel is the control switch for cruise control. Generally, the car ignition switch has four positions: START, ON, ACC, and LOCK. When the car is parked and turned off, the key is in the LOCK position, where the vehicle's circuits are disconnected, and the entire car is powered off. Additionally, the steering wheel is locked. When the key is in the ACC position, some electrical devices in the car, such as the radio and audio system, are powered on, but other components remain unpowered. This is the main difference between ACC and ON. When the key is in the ON position, all components of the car, including the engine system, are powered on. The START position is for ignition; once the key is turned to START, the starter motor is powered on and begins working. The ignition switch is also known as the main switch, main power switch, or master key, serving as the main control for the vehicle's entire electrical system. It comes in two types: plug-in and rotary. There are generally two types of car cruise systems: ACC adaptive cruise control and regular cruise control. ACC adaptive cruise control includes features such as speed adjustment, following the vehicle ahead, active braking, lane-keeping, and lane departure warning with correction. Regular cruise control only has the speed-setting function. Speed adjustment function: The driver sets a desired speed. Given the complexity of traffic conditions, maintaining a constant speed is often challenging. ACC adaptive cruise control can decelerate or accelerate based on road conditions, which is the most notable difference from regular cruise control. Following the vehicle ahead: This function ensures a safe distance from the vehicle in front, which can be adjusted by the driver to maintain an appropriate gap. Active braking function: When the vehicle is in a dangerous or near-dangerous situation, the system can actively apply the brakes. Currently, this function primarily identifies hazards directly ahead and cannot accurately detect risks from the sides or rear. Lane-keeping function: This feature reduces driver fatigue by keeping the vehicle within the lane on clearly marked roads. Its introduction also marks the implementation of Level 2 driving assistance, where speed adjustment frees the driver's feet, and lane-keeping can free the driver's hands in certain scenarios. Lane departure warning and correction: On roads with clear lane markings, if the vehicle drifts and crosses a lane line, the steering wheel vibrates and emits a sound to alert the driver. If the driver does not correct the direction, the system will intervene to steer the vehicle back, enhancing safety in cases of driver fatigue or distraction. Cars have many buttons, such as window control buttons, window lock buttons, mirror adjustment buttons, and lumbar support adjustment buttons. Window control buttons: A single press can fully lower or raise the window, freeing the driver's left hand and improving convenience and safety. Higher-end models may offer one-touch control for all four windows with anti-pinch features, where the window automatically lowers if it detects an obstruction to prevent injury. Window lock button: Pressing this button locks all windows except the driver's side, preventing accidental operation by children. Some vehicles only lock the rear windows, depending on the model. Mirror adjustment button: To adjust the left mirror, move the toggle to the left and adjust accordingly, and vice versa for the right mirror. Lumbar support adjustment button: This adjusts lumbar support, typically found in high-end models. Horizontal buttons adjust the support intensity, while vertical buttons adjust the support position to suit different drivers or passengers.

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Does a Damp Underground Parking Space Affect the Car?

Damp underground parking spaces can indeed affect vehicles. Here are the key concerns: 1. Safety hazards: Moisture in underground garages not only increases accident risks but also impacts stationary vehicles. 2. Corrosion risks: Since car bodies are made of sheet metal, prolonged exposure to humid air can lead to body rust and severely compromise brake systems. 3. Bacterial growth: Damp environments foster bacteria proliferation - particularly molds like Aspergillus, Penicillium, and Cladosporium, which tend to accumulate in AC systems and leather seats, especially in cabin air filters.

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What are the functions of engine internal cleaner?

The functions of engine internal cleaner are: 1. Efficiently clean carbon deposits, gum, and other harmful substances inside the engine; 2. Prevent combination, remove the oil film and sludge formed by old engine oil to avoid reducing the performance of new engine oil; 3. Improve engine efficiency, thereby reducing noise and also decreasing fuel and oil consumption; 4. Neutralize long-term harmful acidic substances generated inside the engine; 5. Clean the crankcase PVC valve, clean hydraulic lifters and valve lifters; 6. Clean the engine's lubrication system, lower engine temperature, enhance oil fluidity, improve lubrication efficiency, and prevent the engine from burning oil.

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What are the plus and minus signs on the Audi A4L steering wheel?

What is the 2020 Vehicle Inspection Policy?

Daily Driving Tips for Manual Transmission Cars

What does it mean when the EPC light on the car dashboard is on?

What is the ACC switch?

Does a Damp Underground Parking Space Affect the Car?

What are the functions of engine internal cleaner?

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How to Measure Car Engine Oil Most Accurately?

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