What's the reason for BMW X4's non-responsive reverse radar and central control?

Where is the handbrake in a Cadillac?

Cadillac offers two types of handbrakes: electronic parking brake and mechanical handbrake. Generally, the lever for the mechanical handbrake is installed in front of the center console in the middle of the cabin, while the button for the electronic parking brake is located near the gear shift lever in front of the center console. To engage it, simply pull upward. The electronic parking brake is easy and effortless to operate, and it also effectively saves interior space. More details about Cadillac are as follows: 1. Cadillac is a luxury automobile brand under the General Motors Group, born in 1902 in Detroit, known as the Motor City of America. Cadillac combines a century of historical essence and the wisdom of generations of designers, becoming a leading brand in the automotive industry. 2. Cadillac has been customizing large luxury sedans and special models for numerous U.S. presidents, diplomats, ambassadors, and foreign dignitaries. 3. The new-generation CTS continues Cadillac's sharp design style, featuring a shield-shaped grille, exaggerated vertical LED daytime running lights, and ribbon-style LED high-mounted brake lights. 4. The all-new CTS will adopt GM's latest Alpha platform, which is also used by the Cadillac ATS, but the Alpha platform for the CTS will be larger in size. The new 3.6L V6 twin-turbocharged engine employs two smaller turbochargers, enabling a 0-100km/h acceleration time of 4.6 seconds.

13

2

Share

What is the principle of power steering?

Electronic Hydraulic Power Steering (EHPS) operates on the same principle as traditional mechanical hydraulic power steering systems but incorporates an electric steering pump, whose activation and deactivation are controlled by the ECU. Below is an introduction to the principle of power steering: 1. When no steering action is performed, the electric steering pump is turned off, unlike mechanical hydraulic power steering pumps that are constantly connected to the engine via a belt. Normally, the speed of the electric steering pump is inversely proportional to the vehicle speed. At low speeds, the pump operates at 3000r/min, while at high speeds, it reduces to 800r/min. This results in light steering during parking and a firm, stable feel at high speeds. 2. During steering, the torque sensor detects the steering wheel's torque and direction of rotation, sending these signals to the ECU. The ECU comprehensively analyzes data such as steering wheel torque, rotation direction, and vehicle speed, then issues command signals to the motor controller. The motor then outputs corresponding torque in size and direction to provide assistance. When the vehicle is not steering, the ECU does not send command signals to the motor controller, and the motor remains inactive, helping to reduce fuel consumption. Additionally, the ECU determines the force applied to the steering wheel via an electro-hydraulic converter based on the vehicle speed signal, reducing the "floating" sensation of the steering wheel during high-speed driving.

6

1

Share

How Many Seconds Does the Ora Good Cat Take to Accelerate from 0 to 100 km/h?

According to the official data, the Ora Good Cat accelerates from 0 to 100 km/h in 7.9 seconds. Factors affecting a vehicle's 0-100 km/h acceleration time are as follows: Torque: Torque, in simple terms, indicates how much force is available. The greater the torque, the stronger the force pushing the vehicle, resulting in faster acceleration. The Weichi FS has a maximum torque of 138 Nm and a 0-100 km/h acceleration time of 11.2 seconds. The Ora Good Cat has a torque of 210 Nm and accelerates from 0 to 100 km/h in 7.9 seconds. Transmission efficiency: The transmission, as the medium for power delivery, inevitably involves power loss. The higher the transmission efficiency, the better the acceleration performance. Generally, transmission efficiency ranks as follows: manual transmission > dry dual-clutch transmission > wet dual-clutch transmission > AT transmission > CVT transmission. The Ora Good Cat uses a single-speed transmission for electric vehicles. Power-to-weight ratio: The relationship between horsepower and vehicle weight is called the power-to-weight ratio (unit: Hp/T). The higher the power-to-weight ratio, the faster the acceleration. The Weichi FS has a power-to-weight ratio of 99 Hp/T and a 0-100 km/h acceleration time of 11.3 seconds. The Ora Good Cat has a power-to-weight ratio of 95 Hp/T and accelerates from 0 to 100 km/h in 7.9 seconds.

18

0

Share

What is the fuel consumption of the Lavida Plus 1.5L Automatic Comfort version?

The Lavida Plus 1.5L Automatic Comfort version currently has one model on sale, the 2022 1.5L Automatic Comfort version, equipped with a 113-horsepower engine, with an NEDC fuel consumption of 5.5L per 100 kilometers. The Lavida Plus 1.5L Automatic Comfort version equipped with a 113-horsepower engine has a fuel tank capacity of 51L. With a full tank of fuel, it can travel approximately 55/5.1*100=1078 kilometers. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and environmental temperature. Specific factors that can increase fuel consumption are as follows: Driving habits: Aggressive driving behaviors such as sudden acceleration, frequent overtaking, and not easing off the throttle before a red light can increase fuel consumption. The car itself: Cars with larger engine displacements generally consume more fuel than those with smaller displacements because larger displacements usually mean higher power output, requiring more gasoline for combustion. Heavier cars also consume more fuel because greater weight requires more driving torque. Road conditions: Driving on unpaved roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases the car's resistance and fuel consumption. Low environmental temperatures: When the engine block is cold, the injected gasoline does not atomize easily, requiring more gasoline for combustion, which increases fuel consumption. Additionally, in low temperatures, the engine's computer may control the engine to run at higher RPMs to warm up, further increasing fuel consumption.

16

0

Share

What Type of Engine Oil is Suitable for the Buick Excelle?

Generally, it is recommended to use the original 5W30 semi-synthetic engine oil. It offers low running resistance and good fuel efficiency. If you are in the colder northern regions and do not frequently drive on highways, using 30-grade oil year-round is acceptable. In the relatively warmer southern regions, 40-grade oil is more suitable. More details are as follows: 1. Compared to 5W40, 5W30 primarily differs in high-temperature performance. 5W40 provides better high-temperature protection, but its higher viscosity increases engine running resistance and fuel consumption. 2. Engine oil model introduction: For example, "5W30" indicates the SAE standard viscosity value of the oil. The "W" stands for winter, and the number before "W" represents low-temperature fluidity. The smaller the number, the better the low-temperature fluidity and performance during cold starts. The number after "W" indicates high-temperature stability. The larger the number, the better the high-temperature stability and performance during hot starts. Based on the Excelle's model specifications, using the original 5W30 semi-synthetic oil is more appropriate. 3. Engine oils are categorized into full synthetic, semi-synthetic, and mineral oils. Turbocharged engines require higher-quality oil as they are prone to carbon buildup during high-speed driving, typically necessitating the use of higher-quality full synthetic oil. For naturally aspirated engines, semi-synthetic oil is generally recommended, though full synthetic oil can also be used if conditions permit.

7

2

Share

What letter does Chongqing license plate start with?

The license plates in Chongqing start with the character 'Yu'. Here is an introduction to license plate numbers: 1. In China, license plate numbers are composed of a Chinese character + a letter + numbers; 2. The Chinese character represents the abbreviation of the province where the vehicle is registered, the letter corresponds to the region where the vehicle is located, and the numbers complete the license plate number, serving as a unique identifier for the vehicle; 3. Chongqing is abbreviated as 'Yu'. Among them, 'YuA' is for vehicles managed by the municipal vehicle administration, 'YuB' is for vehicles managed by Jiangnan vehicle administration, 'YuC' includes vehicles managed in Yongchuan, Jiangjin, Hechuan, etc., 'YuF' includes vehicles managed in Wanzhou and other areas, 'YuG' includes vehicles managed in Fuling, Nanchuan, etc., and 'YuH' includes vehicles managed in Qianjiang and other ethnic autonomous counties; 4. To handle vehicle registration, cancellation, and other related information, you need to go to the respective regional vehicle administration offices.

20

3

Share

What's the reason for BMW X4's non-responsive reverse radar and central control?

Where is the handbrake in a Cadillac?

What is the principle of power steering?

How Many Seconds Does the Ora Good Cat Take to Accelerate from 0 to 100 km/h?

What is the fuel consumption of the Lavida Plus 1.5L Automatic Comfort version?

What Type of Engine Oil is Suitable for the Buick Excelle?

What letter does Chongqing license plate start with?

What is the model number of the Verna battery?

What Are the Benefits of Automotive Glass Coating?

How to Adjust the Seat to the Right Position?

Is converting halogen to LED just about changing bulbs?