What is the function of high beams?

Should the CS75 use 5W30 or 5W40 engine oil?

The CS75 should use 5W30 engine oil. It is recommended to use the original SL-grade 5W30 engine oil. 5W30 has better fluidity than 5W40, which helps reduce fuel consumption and dissipate heat from the engine more quickly. The "W" stands for winter, and the smaller the number before it, the better the oil's low-temperature fluidity, indicating a lower usable environmental temperature and better engine protection during cold starts. For example, 5W40 can be used in environments with temperatures below 40 degrees, while 5W30 can be used in environments with temperatures below 30 degrees. The difference between 5W30 and 5W40 engine oil is that higher viscosity oil leads to higher fuel consumption and louder engine noise, but it provides better sealing performance. Therefore, the choice of oil viscosity should also consider the age of the vehicle. Newer engines with tight component clearances should use lower viscosity oil, while vehicles with significant engine wear should use higher viscosity oil. Precautions for using engine oil: Choose oil based on the engine's requirements, ensuring it matches the engine. Multi-grade oil is recommended due to its advantages in fuel efficiency, long service life, and high efficiency, providing better protection for the engine.

5

Share

What does the O/D OFF warning light mean?

When the O/D-OFF indicator light on the car's dashboard illuminates, it indicates that the vehicle's overdrive function has been deactivated. To turn off this indicator light, simply press the O/D button to activate the overdrive function. The specific steps are as follows: Open the driver's side door. Depress the brake pedal. Press the one-touch start button to start the engine. The dashboard lights up, confirming that the engine is running. Press the O/D button to complete the operation. To promptly detect faults in the electronic control unit and maintain the most basic operational capability of the automatic transmission in case of a fault, allowing the car to continue driving and facilitating workshop repairs, many modern electronic control automatic transmissions are equipped with self-diagnosis and fail-safe functions. The electronic control unit includes a dedicated self-diagnosis circuit that continuously monitors all sensors and some actuators in the automatic transmission's electronic control system while the car is in motion. If a sensor or actuator is found to be faulty or malfunctioning, the system will implement protective measures. While driving, if the automatic transmission warning light on the dashboard illuminates, it alerts the driver to immediately take the car to a workshop for inspection and repair. Currently, most vehicles use the overdrive indicator light "O/D-OFF" as the automatic transmission warning light. If the overdrive warning light remains on even after pressing the overdrive switch, it indicates a fault in the electronic control unit.

18

3

Share

How Many Kilometers Can You Drive After an Oil Change?

Engine oil typically needs to be changed every 5,000 kilometers. The duration for which the oil can be used depends on its quality. High-quality oil can last up to a year, while regular oil is generally suitable for about six months. The optimal oil change interval depends on the vehicle's usage rate. For high-usage vehicles that cover over 1,000 kilometers per month, premium-grade oil is recommended to extend the interval and reduce maintenance frequency. Conversely, for low-usage vehicles that don't reach 5,000 kilometers in six months, lower-priced oil is sufficient. The frequency of oil changes primarily depends on road conditions. In China, the number of cars is three times that of foreign countries, especially in large cities where traffic congestion is common, unlike in foreign countries where traffic jams are rare. Consequently, Chinese drivers often experience stop-and-go driving, significantly increasing oil consumption. For example, in second gear, the cumulative engine revolutions can reach 10,000 RPM over 1 kilometer. The same car model may require an oil change every 1,000 kilometers in China but only every 4,000 kilometers abroad. Despite the same mileage, the difference in engine revolutions leads to varying oil degradation rates. 4S shops advise frequent oil changes to avoid complications, as they cannot accurately track each driver's actual mileage. Therefore, they standardize maintenance services at 5,000 kilometers to minimize vehicle wear during the warranty period. However, the most critical factors in determining the oil change interval are the vehicle's operating conditions, the gasoline grade used, the base oil quality, and the additional additives in the oil. These factors should be considered holistically to determine the appropriate mileage for an oil change.

20

3

Share

How to Perfectly Solve the Low-Speed Jerking Issue in Peugeot 408?

Repairing the valve body, replacing friction plates and pistons, as well as faulty solenoid valves, and thoroughly cleaning the interior of the transmission can resolve the low-speed jerking issue in the Peugeot 408. There are many reasons for jerking during low-speed acceleration in cars, such as excessive carbon buildup, incomplete fuel combustion, and spark plug malfunctions. Carbon deposits in the throttle body, fuel injectors, and intake manifold are common. Many faults caused by carbon deposits can lead to jerking sensations in some vehicles, so it is recommended to regularly clean carbon deposits. Poor fuel quality can also result in incomplete combustion. Faults in spark plugs, ignition coils, etc., can cause cylinder misfires. In such cases, it is necessary to have the vehicle inspected and repaired at a service center to avoid further safety hazards. Here is some relevant information about the Peugeot 408: Engine: The Peugeot 408 is a compact car under the Peugeot brand, equipped with two types of engines: a 1.2-liter turbocharged engine and a 1.6-liter turbocharged engine. The 1.2-liter turbocharged engine delivers 136 horsepower and a maximum torque of 230 Nm, with a maximum power output at 5,500 rpm and a maximum torque range between 1,750 and 3,500 rpm. This engine features CVVT technology and direct fuel injection, and it uses an aluminum alloy cylinder head and block. It is paired with a 6-speed dual-clutch transmission. Suspension: The Peugeot 408 uses a MacPherson independent suspension for the front and a torsion beam non-independent suspension for the rear. The use of a torsion beam rear suspension helps to expand rear passenger space and trunk capacity.

9

3

Share

When Should I Change the Oil for My New Car?

The first oil change for a new car should occur when the mileage reaches between 1,000 to 1,500 kilometers. This mileage range corresponds to the break-in period of the car, which refers to the initial driving phase after purchasing a new car or completing a major overhaul. This period ensures that the components fully contact, friction, adapt, and settle. During this time, the car's parts can adjust and enhance their ability to adapt to the environment, while also wearing down any rough surfaces on the components. Key factors to consider when choosing engine oil: Select engine oil based on the requirements of the engine. There is no need to use overly advanced oil in engines with lower requirements, nor should lower-grade oil be used in engines with higher requirements. Precautions for changing engine oil: The engine must be warmed up before draining the oil. This is because the oil becomes thinner when warm, making it easier to flow and carry away impurities, which helps in completely draining the oil. Never drain the oil when the engine is cold. Additionally, the oil filter should be replaced simultaneously. An old oil filter may become clogged with impurities, slowing down oil flow and reducing engine lubrication. When refilling oil, ensure the quantity is accurate. For some vehicles, the oil level can be checked using the dipstick to determine if it is appropriate. Functions of engine oil: The primary function of engine oil is lubrication. During the lubrication process, the oil is gradually consumed, and impurities and deposits may form, affecting its effectiveness. Engine oil also has a cleaning effect, but some residues may remain in the engine. The anti-rust property of engine oil is crucial as well. While oil cannot completely prevent oxidation, it can reduce it. Good sealing enhances mechanical efficiency, but prolonged use of oil can lead to chemical reactions that weaken sealing. Cooling is another function of engine oil, but its cooling effect diminishes over time with prolonged use.

17

2

Share

Does the Honda CR-V have a particulate filter?

The gasoline-powered Honda CR-V is equipped with a particulate filter, while the hybrid version does not have one. A particulate filter is a ceramic filter installed in the diesel engine's emission system that captures particulate emissions before they enter the atmosphere. It can reduce soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. Diesel engine pollution mainly comes from three sources—particulate emissions, hydrocarbons (HCx), nitrogen oxides (NOx), and sulfur. Among these, particulate emissions (soot) mostly consist of tiny particles of carbon or carbon compounds (smaller than 4-20μm in size). How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate filter through a dedicated pipe. After passing through its densely arranged bag-type filter, the carbon soot particles are adsorbed onto a filter made of metal fiber felt. When the amount of adsorbed particles reaches a certain level, the burner at the end automatically ignites, burning off the carbon soot particles adsorbed on it and converting them into harmless carbon dioxide that is then expelled. To check whether the CR-V has a particulate filter, you can use the following three methods: Check the and to see if there is a particulate filter function. Additionally, carefully review the fault codes in the manual to see if there is a "particulate filter" warning light indicator. Check the label on the oil cap. If the oil cap clearly states 0W-20 grade oil, it indicates the presence of a particulate filter. Look behind the three-way catalytic converter to see if there is a cylindrical section on the exhaust pipe. If there is, that is the particulate filter.

6

5

Share

What is the function of high beams?

Should the CS75 use 5W30 or 5W40 engine oil?

What does the O/D OFF warning light mean?

How Many Kilometers Can You Drive After an Oil Change?

How to Perfectly Solve the Low-Speed Jerking Issue in Peugeot 408?

When Should I Change the Oil for My New Car?

Does the Honda CR-V have a particulate filter?

What to Do When Encountering a Vehicle Behind During Overtaking in Subject 3?

Is There a Fee for the Subject 3 Driving Test?

What is the 0-100 km/h acceleration time of the Dodge Challenger?

What is the battery capacity of the BYD Han?