What vehicles can a Class D license drive?

In what situations can hazard warning flashers be used?

Hazard warning flashers can be used in the following situations: when a vehicle breaks down on the highway, during high-speed driving, when temporarily parked on the road, when towing a malfunctioning motor vehicle, when encountering an emergency malfunction while driving, when involved in a traffic accident, or when performing special tasks. Hazard warning flashers are signal lights that alert other vehicles and pedestrians to special circumstances involving the vehicle. If a motor vehicle breaks down on the road and needs to be stopped to address the issue, the driver should immediately turn on the hazard warning flashers, move the vehicle to a location where it does not obstruct traffic, and park it there. If the vehicle is difficult to move, the hazard warning flashers should remain on, and warning signs should be set up in the direction of oncoming traffic to increase the warning distance. If necessary, the driver should promptly call for assistance.

5

1

Share

What type of engine oil does the BJ40 use?

BJ40 uses 5W-40 engine oil as specified by the manufacturer. The entire BJ40 series is equipped with turbocharged engines, so it is recommended to use full synthetic oil with a viscosity of 40. Turbocharged engines have higher requirements for engine oil. The BJ40 uses factory-recommended oil, but if you wish to change the oil during later maintenance, you can choose from brands such as Shell, Mobil, Castrol, or Total. The viscosity of engine oil changes with temperature, so it is important to pay attention to its performance under both low and high temperatures. For example, in 5W-30, the first number indicates low-temperature fluidity, where 5W means it can withstand temperatures as low as -30°C. The smaller this number, the better the low-temperature fluidity, ensuring smoother cold starts for the car. The second number represents the kinematic viscosity of the oil at 100°C. A higher number means the oil can maintain its viscosity better at high temperatures, which can also be understood as better lubrication performance under high-temperature conditions. The method for changing the oil in the BJ40 is as follows: Wait for the engine temperature to cool down, allowing the oil to flow back into the oil pan. Use a wrench to loosen the oil drain plug and place an oil pan underneath to catch the old oil until it stops flowing. Start the engine for about 30 seconds to allow the oil in the main oil passages to drain out. Use a specialized wrench to remove the oil filter. Apply oil to the gasket of the new oil filter and tighten it clockwise by hand. Add the new engine oil through the oil filler cap on the engine valve cover. Typically, fill about three-quarters of the oil container. Start the engine and let it run for 5 minutes, checking for any leaks around the oil drain plug and oil filter. If leaks are found, perform necessary repairs. After stopping the engine, pull out the dipstick to check that the oil level is within the standard range.

10

2

Share

Can a Waterlogged Three-Way Catalytic Converter Still Be Used?

A waterlogged three-way catalytic converter can still be used. Here is some information about three-way catalytic converters: 1. Three-way catalytic converter: It refers to a catalytic device that converts harmful gases such as CO, HC, and NOx emitted from vehicle exhaust into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. 2. Substrate: The main component is the three-way catalytic converter, whose substrate is a porous ceramic material installed in a specially designed exhaust pipe. Precautions for using a three-way catalytic converter are as follows: 1. Damage: If the three-way catalytic converter has mechanical damage, thermal sintering, has exceeded 200,000 kilometers in mileage, or suffers from lead poisoning, cleaning will be of little use. 2. Cleaning the three-way catalytic converter: This should be done after cleaning the throttle valve, fuel injectors, and combustion chamber. 3. During cleaning: The idle speed should not be too high to avoid overheating the three-way catalytic converter. 4. Safety: The work area should be kept away from fire sources, and appropriate fire prevention measures should be taken.

14

4

Share

Where to Turn on the Turn Signal in Subject 2?

In Subject 2, the turn signal should be turned on in the following situations: 1. When exiting the parallel parking space, the left turn signal should be activated; 2. Before starting on a slope, the left turn signal should be turned on; 3. During a right-angle turn, the left turn signal should be used; 4. Before starting on an electronic road surface, the turn signal should be activated. The turn signal is an important indicator light that is turned on when a motor vehicle changes direction to alert surrounding vehicles and pedestrians. The turn signal tube uses a xenon tube, controlled by a single-chip circuit, with alternating left and right flashing for continuous operation. The turn signal uses a flasher to achieve the blinking effect, which can mainly be divided into three types: resistance wire type, capacitor type, and electronic type. The timing for turning on the turn signal should be well managed; it should be activated about 100 meters before the turn. If changing lanes, the signal should be turned on in advance.

10

1

Share

How to Operate Remote Start on CT5?

First press the lock button on the key, then immediately press the button with an arrow to start. The APP has no distance limitation, while the key works within 60 meters. The car will start automatically in about 4 seconds. Remote start of the engine or motor means activating the engine or motor via the remote key. Below is extended information about the remote key: 1. Principle: The vehicle starts the engine or motor based on signals received from the remote key. This entire process eliminates the inconvenience of manually entering the car to operate. While the engine or motor is running, the central locking system remains in the locked state, providing effective security. 2. Features of Remote Start: (1) High Reliability: Since there is no structural difference between remote start and manual ignition inside the vehicle, there is no mechanical wear issue with the heater, significantly reducing the likelihood of failure. (2) Convenience: Although remote start cannot be timed like parking heaters, the remote start method is still very convenient. The remote range is typically no less than 50 meters, allowing you to start the engine or motor in advance from home or the office if the car is parked in a ground-level parking lot. (3) Automatic Timing: Usually, if no operation is performed within a certain period after remote start, the engine or motor will automatically shut down to avoid fuel waste caused by forgetting to turn it off.

4

0

Share

Can a BMW still be driven if the DSC fails?

BMW can still be driven if the DSC fails. The failure of BMW DSC means the failure of the vehicle stability system, which can be detected and repaired at a service station using a computer. DSC stands for Dynamic Stability Control, which is an extension of the traction control system. It ensures the best traction when the car is turning to maintain driving stability. Here is some extended information about DSC: 1. The functions of DSC are as follows: (1) When emergency braking, ABS prevents the wheels from locking; when the wheels slip, TCS controls the engine output and wheel braking to prevent wheel slip. (2) The vehicle stability control system uses computer control to manage engine output and braking of any wheel (with varying braking force) when the vehicle understeers and slides outward, or oversteers and crosses the centerline of the road or even spins in place during quick turns, evasive maneuvers, or avoiding suddenly appearing cars or animals. 2. The causes of DSC failure are as follows: (1) Wheel speed sensor failure. (2) Wheel speed sensor signal disc failure. (3) Steering angle sensor failure. (4) Steering gear failure, etc.

20

1

Share

What vehicles can a Class D license drive?

In what situations can hazard warning flashers be used?

What type of engine oil does the BJ40 use?

Can a Waterlogged Three-Way Catalytic Converter Still Be Used?

Where to Turn on the Turn Signal in Subject 2?

How to Operate Remote Start on CT5?

Can a BMW still be driven if the DSC fails?

Should I Buy the 2021 or 2018 Accord Model?

Is It Qualified if the Side Mirror Crosses the Line During Parallel Parking?

Where is the body control module of Landwind X7 located?

Where is the fuel tank switch of the Magotan?