What is the passing score for the Subject 4 exam?

Where is the wheel anti-theft socket for BMW 530li?

The wheel anti-theft socket for BMW 530li is located in the trunk. Four anti-theft bolts replace one of the bolts on each wheel. By using the key socket and tightening it with a regular wrench, you can effectively prevent wheel theft. The car anti-theft socket refers to the special socket for car tire anti-theft screws. Anti-theft screw key: Wheels with anti-theft screws come with an anti-theft screw key, which is unique and not universal. It is usually placed in the trunk. After finding the key, align it with the anti-theft screw and then use a wrench to remove the screw. With the key, it is the same as removing any other screw. Turning left loosens, and turning right tightens, similar to twisting a mineral water bottle cap. Precautions for tire anti-theft screws: There are many types of anti-theft screws on the market, and many are not professional anti-theft screws. Therefore, many people can replicate the removal tools. Installing such screws may not provide anti-theft effects, making it somewhat counterproductive. During vehicle use, you may encounter situations where the anti-theft screw cannot be removed or the anti-theft socket is lost, making removal impossible. In such cases, the usual method is to weld a regular nut onto the anti-theft screw and use a regular socket to drive the anti-theft screw, thereby achieving removal.

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What to Do When the Transmission Warning Light Comes On in an Audi A6L?

Audi A6L transmission warning light solution: Visit a 4S shop or authorized repair shop for inspection as soon as possible. More information about the Audi A6L is as follows: 1. The Audi A6L is a model developed by FAW-Volkswagen Audi based on the German new A6, serving as the successor to the A6. 2. The new Audi A6L measures 5015mm in length, 1874mm in width, and 1455mm in height, with a wheelbase of 3012mm. 3. The new Audi A6L features an independent suspension combination of front four-link and rear trapezoidal-link, while high-end models are equipped with an optimized air suspension, allowing users to adjust height and comfort via the MMI system.

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What grade of gasoline does the new Passat use?

SAIC Volkswagen's new Passat uses fuel with an octane rating of 95, which was formerly known as 97 octane gasoline. More information about the Passat and the gasoline it uses is as follows: 1. There are currently 18 models of the Passat on sale, featuring 3 engine displacements: 1.4T, 1.8T, and 2.0T, with 1 transmission option—a dual-clutch transmission. The engine has a maximum power output of 162kW, a maximum horsepower of 220PS, and a maximum torque of 350N·m. 2. 95 octane gasoline consists of 95% isooctane and 3% n-heptane. High-compression engines should use high-octane gasoline. Using low-octane gasoline in a high-compression engine can cause abnormal combustion, leading to knocking, increased fuel consumption, and reduced driving performance.

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How Many Liters of Fuel Can the Haval Chulian Hold?

Haval Chulian uses 92-octane gasoline, with a fuel tank capacity of 55 liters. A full tank can typically run for about 800 kilometers. The Ministry of Industry and Information Technology's combined fuel consumption is approximately 6.4 liters per 100 kilometers. The Haval Chulian is the third model under Great Wall Motors' Lemon Platform and is Great Wall's first entry-level compact SUV. Vehicle Dimensions: Haval Chulian: The body dimensions are 4477×1874×1626 mm, with a wheelbase of 2700 mm. It is equipped with a 1.5T turbocharged engine and a 7-speed dual-clutch transmission, delivering a maximum horsepower of 150 PS and a maximum torque of 200 Nm. During daily driving, it is essential to monitor the remaining fuel level in the tank. This is usually done by observing the fuel gauge inside the vehicle. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5 to 6 segments. It is advisable to refuel when there are only 2 segments left to avoid running out of fuel midway. During actual refueling, the amount of fuel may exceed the calibrated volume. This is because the fuel tank capacity specified by the manufacturer is measured from the bottom of the tank to the safety limit, and there is additional space from the safety limit to the tank opening. This space ensures that the fuel can expand when temperatures rise without overflowing. If fuel is added up to the tank opening during refueling, the actual fuel volume may exceed the calibrated tank capacity. Vehicle fuel consumption is directly influenced by five major factors: driving habits, the vehicle itself, road conditions, natural wind, and environmental temperature. Specific factors that increase fuel consumption include: Driving Habits: Aggressive driving, such as sudden acceleration, frequent overtaking, and not easing off the throttle before stopping at a red light, can increase fuel consumption. The Vehicle Itself: Vehicles with larger engine displacements generally consume more fuel than those with smaller displacements because larger displacements typically require more power and thus more gasoline for combustion. Heavier vehicles also consume more fuel due to the greater driving torque needed. Road Conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural Wind: Driving against the wind or on windy days increases vehicle resistance and fuel consumption. Low Environmental Temperature: When the engine block is cold, the injected gasoline does not atomize easily during a cold start, requiring more gasoline for combustion and thus increasing fuel consumption. Additionally, lower temperatures prompt the engine's computer to use higher RPMs to warm up the engine, further increasing fuel consumption.

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How to adjust the time on the 2015 CRV?

To adjust the time on the 2015 CRV, follow these steps: 1. After turning on the ignition, the CLK button displays and sets the time. 2. Press and hold the CLK button for about 5 seconds until the time display starts flashing. Use the adjustment buttons (turn left to decrease, turn right to increase). 3. 'H' is used to adjust the hour, and 'M' is used to adjust the minutes. 4. After adjusting the time, press the CLK button again. If no action is taken for a few seconds, the adjustment mode will exit automatically. Here is an introduction to the 2015 CRV: The Dongfeng Honda CRV was one of the earliest Japanese-brand urban SUVs to enter the Chinese market and be locally produced. The Dongfeng Honda CRV has a body length of nearly 4.6 meters and a wheelbase of 2.66 meters. It offers a spacious and comfortable interior, making it highly practical! The exterior design is both elegant and stylish. The chassis is robust and comfortable, providing a high-quality driving experience! Apart from the engine, overall, this is an excellent model.

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Where is the passenger side airbag located in a car?

The passenger side airbag in a car is located in front of the passenger seat, typically above the glove compartment on the dashboard, serving as a passive safety feature. In the event of an accident, the airbag effectively protects the heads and chests of both the driver and the passenger. This is because a severe frontal collision can cause significant deformation of the vehicle's front, and the occupants inside may be thrown forward due to the strong inertia, leading to impacts with interior components. Airbags do not deploy in every collision; if the impact is minor and does not trigger the airbag sensor, the airbag will not activate. Therefore, it is crucial to follow traffic rules during daily driving to avoid accidents. The working principle of airbags: When a collision occurs while driving, the airbag sensor first receives the impact signal. If the impact reaches the specified intensity, the sensor activates and sends a signal to the electronic control unit (ECU). The ECU compares the received signal with its stored data. If the conditions for airbag deployment are met, the ECU sends a trigger signal to the gas generator in the airbag module. Upon receiving the signal, the gas generator ignites the propellant, producing a large volume of gas. This gas is filtered and cooled before entering the airbag, causing it to rapidly inflate and break through the padding in a fraction of a second. The airbag forms an elastic cushion in front of the driver or passenger, then deflates and contracts to absorb the impact energy, effectively protecting the head and chest from or reducing the severity of injuries. Important precautions regarding airbags: Always use seat belts: From a design perspective, seat belts not only provide protection but also control the speed of the occupant's body during the initial phase of a collision. This ensures the occupant contacts the airbag at the right moment and position, minimizing the impact force. If the occupant is not wearing a seat belt, they experience little restraint in the early stages of the collision, leading to minimal deceleration and premature contact with the airbag before it fully inflates. The rapid inflation speed and uneven pressure of the airbag at this stage could cause harm. Avoid placing objects near airbags: Airbags deploy with tremendous force, reaching speeds of 250-350 km/h and exerting an impact force of 150-200 kg. Any objects placed near the airbag could be ejected, causing secondary injuries. Therefore, do not place any items in front of or near the airbag. Avoid accidental impacts and modifications: Avoid forcefully hitting or shaking the airbag sensor, as this could cause unintended deployment. Additionally, during modifications, be cautious not to alter the airbag system wiring, which could render the airbag ineffective. Installing seat covers may also interfere with the proper deployment of side airbags. Adjust seating and posture: The danger zone for the driver's airbag is within 5-8 cm in front of the inflation system. Maintaining a distance of 25 cm from the steering wheel center to the sternum ensures safety. Given that airbags inflate at speeds up to 320 km/h, incorrect seating posture during a collision can result in severe injuries. Do not let children sit in the front passenger seat: While airbags and three-point seat belts offer optimal protection for adults, they can be hazardous for children. During a collision, the seat belt's tension could cause chest fractures in children, and the deploying airbag might lead to suffocation. Airbags have an expiration date: Due to manufacturers' technical secrecy and the lack of standardized regulations, many assume airbags last as long as the vehicle. However, airbag quality may deteriorate after 8-10 years. It is recommended to perform maintenance every 10,000-20,000 km. If the airbag warning light remains on or flashes 6-8 seconds after starting the vehicle, seek immediate inspection at a 4S shop.

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What is the passing score for the Subject 4 exam?

Where is the wheel anti-theft socket for BMW 530li?

What to Do When the Transmission Warning Light Comes On in an Audi A6L?

What grade of gasoline does the new Passat use?

How Many Liters of Fuel Can the Haval Chulian Hold?

How to adjust the time on the 2015 CRV?

Where is the passenger side airbag located in a car?

How to Start a BMW When the Key Fob Battery Dies?

What Causes Excessive Oil Pressure?

How Early Can You Renew Your Car Insurance?

Is It Necessary to Add Seat Covers to Fabric Seats?