What is the average fuel consumption of the 2021 Tiida new car?

What does the P indicator mean on a vehicle?

When the dashboard displays a P, it indicates that the parking brake is engaged. The parking brake, commonly referred to as the handbrake, is a manually operated brake installed in motor vehicles to stabilize the vehicle after it has come to a stop, preventing accidents caused by rolling on inclined surfaces. Below is a detailed introduction to the parking brake: 1. The working principle of the parking brake involves a mechanical handbrake that connects to the rear wheel brake calipers via a steel cable or similar mechanism. When the handbrake is pulled, the calipers press against the brake pads, achieving the parking function. An electronic parking brake operates by activating the parking switch, which engages a motor to drive the steel cable or similar mechanism, pressing the calipers against the brake pads to achieve the parking function. 2. Parking brakes are categorized by operation method into two types: hand-operated parking brakes and foot-operated parking brakes. By control method, they are divided into two types: mechanically controlled parking brakes and electronically controlled parking brakes. To engage the parking brake, press the brake pedal down and pull the parking brake lever all the way up. To release the parking brake, press the brake pedal down, slightly pull the parking brake lever up, press the button on the handle with your thumb, and then lower the parking brake lever back to its original position.

3

1

Share

Which gear should an automatic transmission car use when going down a long slope?

When going down a long slope with an automatic transmission car, if the car has an L gear, choose to use the L gear. If there is no L gear, then select the S gear, which is available in most automatic transmission cars. Here is the relevant content introduction: Reasons for choosing L gear: This gear is a low-speed gear. After engaging it, the car will automatically maintain a low-speed state, and the car will not accelerate automatically even if the driver steadily presses the accelerator. Reasons for choosing S gear: Its principle is to allow the car to use engine speed to reduce the vehicle speed. The speed and engine speed will not rise too high, and if the engine speed does not increase, the computer program will not choose to shift up. Precautions: Never keep the car in D gear when going down a long slope, especially on roads with continuous ups and downs in many places, as it is quite dangerous to descend in D gear continuously. Because D gear is a forward gear, if you use D gear to go downhill, even if the driver steadily presses the accelerator, the car's speed will continue to increase. In this case, the driver will inevitably need to continuously apply the brakes to slow down, which can easily lead to overheating of the brake pads and brake failure during the process.

15

3

Share

Will starting an automatic transmission at 2500 RPM damage the car?

Starting an automatic transmission at 2500 RPM can damage the car because the vehicle usually shifts from lower gears gradually during startup. 2500 RPM is considered a relatively high speed, and if the gear is low with a large throttle, it can increase engine wear. It is normal for a car to start at a high RPM. Generally, the engine speed can reach 1200-1500 RPM at the moment of startup. In colder seasons, the engine speed may be even higher because the vehicle would stall at too low RPMs, and a slightly higher speed helps warm up the car faster. However, during a cold start, the RPM should not be too high either. Since lubricant cannot reach the upper part of the engine immediately, keeping it below 2000 RPM is more suitable to minimize wear. Once the engine stabilizes, the RPM will drop to around 800. If the RPM is too low, fuel combustion in the cylinders will be incomplete, leading to insufficient power and easy carbon buildup in the engine, which can cause significant damage over time. If the RPM is too high, the most noticeable effect is increased fuel consumption, along with greater engine wear.

12

3

Share

Can Ethylene Glycol Antifreeze Be Mixed?

Antifreeze of different colors cannot be mixed. Different colors indicate different compositions, and mixing antifreeze with different components can cause chemical reactions, leading to antifreeze failure and sometimes even solidification. Even if the antifreeze is the same color, different brands may use different stabilizers, and mixing them can reduce cooling and cleaning effectiveness. Therefore, it is best not to mix them. It is recommended to use antifreeze of the same brand and color. If antifreeze is accidentally mixed, the antifreeze in the radiator must be completely drained, rinsed with pure water, and then refilled. Antifreeze typically comes in colors such as green, blue, pink, and some may even have fluorescent effects. Generally, ethylene glycol is green, propylene glycol is blue, and glycerol is pink. The reasons manufacturers dye antifreeze different colors are as follows: Prevent Mixing: To avoid confusion with other liquids and prevent accidental ingestion, many manufacturers add different color formulations for distinction. Easy Leak Detection: When the engine leaks, the color makes it easy to identify during inspection and repair. Safety Considerations: These chemical components in the engine are toxic, so liquids like windshield washer fluid and antifreeze are dyed to prevent accidental ingestion.

4

3

Share

What Components Make Up a Car Chassis?

A car chassis is composed of four major systems: the transmission system, the running system, the braking system, and the steering system. Its function is to support and mount the car engine and its various components and assemblies, forming the overall shape of the car. It also receives power from the engine to generate motion, ensuring normal driving. Below is a detailed explanation of each part: 1. The transmission system generally consists of the clutch, gearbox, universal transmission device, final drive, differential, and half-shafts. Its basic function is to transmit the power generated by the engine to the car's driving wheels, producing driving force that allows the car to move at a certain speed. 2. The running system is made up of the car's frame, axles, wheels, and suspension. It receives power from the transmission system and generates traction through the interaction of the driving wheels with the road surface, enabling the car to move normally. It bears the total weight of the car and the reaction force from the ground, cushions the impact of uneven road surfaces on the car body, and works with the steering system to ensure the car's handling stability. 3. The braking system is a series of specialized devices that can forcibly reduce the car's speed. The main function of the braking system is to slow down or even stop a moving car, maintain a stable speed when driving downhill, and keep a stationary car from moving. 4. The steering system is a series of devices used to change or maintain the car's direction of travel or reverse. The function of the car's steering system is to control the car's direction of travel according to the driver's intentions.

3

2

Share

What Causes Insufficient Power in an Automatic Transmission When Climbing a Hill?

Difficulty in climbing hills and lack of power when accelerating may be due to issues in the fuel system, fuel quality problems, carbon buildup, or blockages in the intake and exhaust systems. The specific reasons are as follows: Problems in the fuel system: Clogged fuel injectors, fuel pipe leaks, or aging fuel pumps that lose efficiency over time can lead to insufficient fuel supply pressure, resulting in poor acceleration. Solution: Inspect the fuel system, clean the fuel injectors, or replace the fuel pipes and pump. Fuel quality issues: Using substandard or poor-quality oil or gasoline can damage vehicle components such as fuel pumps, injectors, or oil pumps. Low-quality gasoline has poor combustion efficiency and higher fuel consumption, while inferior oil offers poor lubrication, high viscosity, and is prone to degradation. Solution: Replace the oil or gasoline. Carbon buildup issues: Common problems include carbon deposits on the throttle valve and spark plugs. Excessive carbon buildup can lead to engine knocking, which resists engine power. While moderate knocking can improve engine performance, it is generally uncontrollable and often hinders engine operation, reducing power output. Solution: Clean carbon deposits periodically and maintain affected components. Intake and exhaust system blockages: A dirty air filter or a clogged, malfunctioning catalytic converter can restrict engine airflow, leading to poor breathing and ultimately causing insufficient power when climbing hills. Solution: Remove the exhaust pipe, gently tap its exterior with a rubber hammer to dislodge internal carbon deposits, and then slowly pour them out from the other end.

20

5

Share

What is the average fuel consumption of the 2021 Tiida new car?

What does the P indicator mean on a vehicle?

Which gear should an automatic transmission car use when going down a long slope?

Will starting an automatic transmission at 2500 RPM damage the car?

Can Ethylene Glycol Antifreeze Be Mixed?

What Components Make Up a Car Chassis?

What Causes Insufficient Power in an Automatic Transmission When Climbing a Hill?

Should You Turn Off the Air Conditioning Before Shutting Down an Automatic Transmission Car?

What is the function of the S gear +/- in an automatic transmission?

What Causes the Clicking Noise When Starting an Automatic Transmission Car?

Is Tesla Charging AC or DC?