How to Measure Wheel Rim Size?

How to Open a Car Jack?

There are two common types of car jacks: rack-type jacks and screw-type jacks. The method to open a scissor jack involves turning the threaded rack with a crank to tighten the lifting arms and raise the vehicle off the ground. This structure has a relatively small load capacity. Below are the methods to open different jacks: 1. Diamond-shaped jack opening method: Similarly, it uses the rack to tighten the support arms and lift the vehicle. Most private cars are equipped with diamond-shaped rack jacks, which have a more reliable and sturdy support structure compared to scissor jacks. The structure is the same for small cars to SUVs, with only differences in size and materials. 2. Screw jack opening method: Insert the wheel hub wrench into the jack's bolt hole and turn it to lift the jack. Screw jacks rely on their own threaded structure for self-locking, providing support to hold the vehicle, and their load capacity is much greater than that of rack jacks. The downside is that screw jacks lift slowly but descend quickly, so safety precautions must be taken during use.

12

1

Share

What does ECO mean in the new Corolla?

ECO refers to the vehicle's economic driving mode function. ECO is an English abbreviation formed by combining Ecology (environmental protection), Conservation (energy saving), and Optimization (power). The Eco mode is further divided into active Eco driving mode and non-active Eco driving mode. When the Eco indicator light on the dashboard illuminates, it indicates that the vehicle's economic mode has been activated. Eco mode is categorized into active and non-active types. The difference lies in the fact that the active type has a dedicated button, allowing the driver to choose whether to activate it. When the driver presses the Eco mode switch, the dashboard indicator light immediately turns on, and the vehicle automatically begins adjusting settings such as throttle opening, transmission shift logic, and air conditioning output power. The non-active Eco mode does not have a dedicated button. When the Eco indicator light on the dashboard illuminates, it serves only as a reminder function. The Eco mode automatically evaluates your driving behavior, and if your current driving operation achieves the optimal fuel supply, the dashboard will simultaneously display the Eco indicator light. Most vehicles employ the active Eco driving mode, meaning they have a dedicated switch button. Therefore, during daily driving, we can activate the Eco mode. However, it is unnecessary to enable Eco mode when driving at speeds exceeding 120 km/h, during idle parking, in N/P gear, or in manual mode, especially when climbing hills. Doing so would not reflect the fuel-saving characteristics of Eco mode and could instead impact the vehicle's power performance. Additionally, the Eco mode typically becomes ineffective under the following circumstances: When the vehicle speed exceeds 120 kilometers per hour, the system prioritizes speed, causing the Eco mode to automatically deactivate. During idle parking or when in N/P gear or manual mode, the Eco mode may also become ineffective. When high torque output is required, such as when climbing hills, the engine control unit prioritizes ensuring sufficient power to drive the vehicle, and the Eco mode will not function in such scenarios.

13

0

Share

How to Identify the Authenticity of Temporary License Plates?

Temporary license plates can be identified for authenticity using the following methods: 1. Special Paper: Genuine temporary license plates use special paper, and only one can be issued for a new vehicle. They bear the official seal of the traffic police department. Temporary plates must be approved by the Vehicle Management Office of the Municipal Traffic Police Brigade before use. 2. Check the Pattern: The authenticity of temporary plates can be distinguished with the naked eye. Genuine plates have a printed pattern on the front, with some solid dots; fake plates often have hollow patterns. 3. Examine the Font: Temporary plates, like regular plates, use a specific font. The length and width of the characters on the seal are noticeably different. Counterfeit plates have stiff fonts and uneven corners on the numbers. 4. Best Method: Take the temporary plate to the nearest traffic police station or vehicle management office to check the 'National Public Security Traffic Management Information Comprehensive Query System.' If no owner information is found, the plate is fake.

8

3

Share

Where is the windshield washer fluid reservoir located on the Haval H6?

The windshield washer fluid reservoir of the Haval H6 is located on the left edge of the engine compartment. Below is a detailed introduction about the Haval H6: 1. The Haval H6 is the flagship model of the Haval brand. The new Haval H6, as the flagship product in the H6 series, is positioned for stronger power and better fuel efficiency, offering two powertrain versions: 1.5GDIT/2.0GDIT + wet 7DCT. The Haval H6 diesel version features a four-way adjustable steering wheel and driver's seat height adjustment, allowing drivers of all sizes to find a comfortable seating position. The floating gear lever is more convenient to use than traditional floor-mounted ones. 2. Features such as the damped roof folding handle, an overhead glasses case on the driver's left side, a sun visor with a vanity mirror and lighting, and a multi-level adjustable partition in the trunk significantly enhance consumer satisfaction. In terms of safety, the Haval H6 is equipped with ABS anti-lock brakes, brake force distribution (EBD/CBC, etc.), and brake assist, performing exceptionally well in emergencies on snowy roads.

12

3

Share

Can the Hyundai Elantra's sensor be repaired under warranty after three years?

Modern Elantra sensors cannot be repaired under warranty after three years. Automotive sensors are input devices for the car's computer system, converting various operational conditions such as speed, temperature of various mediums, and engine operation status into electrical signals for the computer, ensuring the engine operates in the best condition. Below is an introduction to automotive sensors: 1. Classification by physical quantity: Sensors can be divided into displacement, force, speed, temperature, flow, and gas composition sensors; 2. Classification by working principle: Sensors can be divided into resistance, capacitance, inductance, voltage, Hall, photoelectric, grating, and thermocouple sensors; 3. Classification by output signal type: Sensors can be divided into switch-type sensors with output as switch signals ('1' and '0' or 'on' and 'off'), analog sensors, and digital sensors with output as pulses or codes.

5

2

Share

How to Distinguish Between Hybrid and Pure Electric Vehicle License Plates?

Hybrid and pure electric vehicle license plates can be distinguished by their representative letters: 'D' stands for pure electric new energy vehicles, while 'F' represents plug-in hybrid vehicles and fuel cell vehicles, which are non-pure electric new energy vehicles. The composition structure of the license plate is as follows: 1. Chinese character: The abbreviation of the province where the vehicle is registered. 2. English letter: Represents the provincial-level code of the vehicle's location. 3. Numbers: The sequence number. The functions of the license plate are: 1. Identification: Serves as the identification mark of the vehicle. 2. Origin: Indicates the region to which the vehicle belongs. 3. Information: The vehicle owner and registration information can be looked up based on the license plate.

2

4

Share

How to Measure Wheel Rim Size?

How to Open a Car Jack?

What does ECO mean in the new Corolla?

How to Identify the Authenticity of Temporary License Plates?

Where is the windshield washer fluid reservoir located on the Haval H6?

Can the Hyundai Elantra's sensor be repaired under warranty after three years?

How to Distinguish Between Hybrid and Pure Electric Vehicle License Plates?

Precautions for Changing Brake Fluid?

How Many Class Hours for Subject 2?

What are the types of automatic transmission gears?

What Causes Severe Vibration When Starting a Car?