Where is the license plate with 'Zhe X' from?

What does 'door' mean on a car?

The 'door' indicator is usually found on the reading light and represents the activation mode of the reading light. 'Door' means that the dome light will illuminate when the car door is opened. If the door is opened or not closed properly, the light will also turn on, serving as a warning. Usage method: The interior reading light generally has three position switches: off, on, and door. When the reading light control switch is in the 'door' position, the light will turn on if the car door is opened. After the driver exits the vehicle and removes the key, the reading light will stay illuminated for 15 seconds before turning off. When the mechanical key is not inserted into the ignition switch, turning the ignition switch to the 'LOCK' position will also activate the light. When the driver-side door is locked or the ignition switch is turned to the 'ON' position, the reading light will illuminate regardless of the state. If the reading light switch is in the 'OFF' position, the light will not turn on no matter the vehicle's state. Advantages: The interior reading light may also use LED bulbs, which have a long lifespan, typically reaching tens of thousands or even hundreds of thousands of hours. They also perform well in terms of energy efficiency, consuming at least half the power of incandescent bulbs of the same brightness. LED bulbs provide high-quality light with minimal radiation, making them a 'green' light source. They do not require a warm-up time and have a fast response when turning on.

14

2

Share

What does it mean when the STOP light on the dashboard is on?

STOP indicator light is a mandatory parking alarm light, which means that when one of the alarm lights on the dashboard, such as the engine oil pressure alarm light, the brake fluid level too low alarm light, or the coolant temperature too high alarm light, is illuminated, the STOP alarm light will also light up simultaneously. If this occurs, the engine must be stopped immediately. Below are relevant details: 1. The STOP light is not a standalone light. The dashboard also includes indicators for coolant temperature, oil pressure, air pressure, engine, and cabin. This warning light is connected to the "engine oil pressure," "low brake fluid level," "coolant temperature gauge," and "electronic brake force distribution system failure" warning lights. If the engine fault light comes on, you must stop the vehicle immediately and not continue driving, as doing so may lead to a traffic accident. 2. If the engine oil pressure is too low, it can cause poor lubrication, increased cylinder wear, and in severe cases, engine bearing seizure, leading to abnormal engine operation. If the engine oil pressure is too high, it can accelerate premature wear of the oil pump and result in excessive oil consumption. 3. Excessively high coolant temperature is detrimental to reducing fuel consumption and minimizing component wear. When the temperature exceeds 90°C, the engine power decreases accordingly. Overheating can also cause a series of issues such as detonation, cylinder scoring, cylinder head gasket damage, and component deformation. Brake system failure may lead to sudden brake failure, brake pulling, or brake shudder. If the brake system malfunctions, you must stop the vehicle immediately and not continue driving, as doing so may result in a traffic accident.

6

3

Share

What does a red light flashing on the windshield indicate?

This is the indicator light for the car's anti-theft system. In some cars, the indicator light is located near the windshield, while in others, it is near the driver's side door window. The flashing of this indicator light is normal. Methods to turn off the red flashing light on the windshield: Modern car anti-theft systems are generally quite advanced, and most cars come with a remote key. Simply press the remote to unlock or lock the doors as usual. Some cars are also equipped with a push-button start system. After getting into the car, there's no need to take out the key and insert it into the ignition; just carry the key with you and press the push-button start to start the engine. Some cars feature a keyless entry function. When you are close enough to the car with the key, pressing the button on the door handle will unlock the car. Some cars have both keyless entry and push-button start functions. From unlocking the doors to getting into the car and starting the engine, you hardly ever need to take out the key or press any buttons, significantly enhancing convenience. Additionally, some car keys can be paired with a smartphone. As long as the phone supports NFC functionality, you only need to carry your phone to unlock the doors and start the engine. Remote keys generally contain batteries, which typically need to be replaced after two to three years of use. Replacing the battery is simple, and those who are handy can do it themselves.

12

3

Share

Should a Land Rover use 92 or 95 octane gasoline?

Land Rover can use 95 octane gasoline. This fuel grade is recommended in the vehicle's official owner's manual. In addition to checking the appropriate fuel grade in the owner's manual, Land Rover vehicles also indicate the recommended fuel grade on the fuel tank cap. Typically, the fuel grade can also be determined based on the engine's compression ratio. Vehicles with a compression ratio between 8.6-9.9 should use 92 octane gasoline, while those with a compression ratio between 10.0-11.5 should use 95 octane gasoline. If the compression ratio is higher, 98 octane gasoline is recommended. However, with the use of some new technologies, the fuel grade cannot be determined solely based on the compression ratio. High compression ratio engines can also be tuned to use lower octane fuel because factors other than the compression ratio, such as ignition timing, turbocharging technology, and Atkinson cycle technology, also play a role. Generally, the higher the fuel octane number, the higher the octane rating and the better the anti-knock performance. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 95% isooctane and 5% n-heptane. If a Land Rover occasionally uses the wrong fuel grade, simply switch back to the correct grade after the current tank is used up. However, prolonged use of the wrong fuel grade can have the following effects: For vehicles that recommend a lower octane fuel, using a higher octane fuel will not cause damage, but the increase in octane rating can change the fuel's ignition point, leading to delayed combustion in the engine. This means both the engine's power output and thermal efficiency will decrease, resulting in poorer performance. For vehicles that recommend a higher octane fuel, using a lower octane fuel can cause engine knocking. Because the octane rating is too low, the fuel's ignition point decreases and it may ignite prematurely during the compression stroke. If the fuel ignites before the spark plug fires during the compression stroke, resistance will occur during the upward stroke. This resistance makes the engine run very unstable. If the knocking is mild, it may only increase noise without significant damage to the engine. However, if the knocking is severe, it indicates serious engine conditions. The vibrations not only affect driving stability but can also cause abnormal wear on the pistons and cylinders, and in severe cases, even cylinder scoring.

20

0

Share

What does ECON mean?

The ECON mode in car air conditioning is actually an operating mode of the air conditioning system. ECON only takes effect when the air conditioning cooling is turned on. Since the air conditioning compressor is driven by the engine and can consume up to 20% of the engine's power, enabling ECON mode will reduce the air conditioning power while maintaining cooling performance, thereby achieving fuel-saving effects. The method to activate the air conditioning economy mode is very simple: after turning on the air conditioning, the driver just needs to press the "ECON" button. When the button light illuminates, the cooling system turns off while natural air or heating continues operating. Introduction about car air conditioning ECON mode: Normally, the A/C indicator in cars represents air conditioning on/off status, while ECON only functions when cooling is activated, indicating the economic mode of air conditioning. In this mode, the compressor still operates but with adjusted parameters. Compared to normal mode, the compressor's control point increases, and it doesn't remain constantly engaged. The compressor's start/stop points are controlled by evaporation temperature. In normal mode, the compressor activates at 2~4°C. Under ECON mode, this range increases to 8~10°C. Lower temperatures require longer compressor operation time and workload. Enabling ECON mode saves engine power output and reduces fuel consumption. Functions of car air conditioning: Achieves cooling effect through continuous refrigerant cycle; Removes dust, odors, smoke and toxic gases from cabin air, improving air quality while humidifying to increase relative humidity; Utilizes engine coolant, waste heat or burner-generated heat as warming source. After heater processing, air is blown into cabin by blower to raise outlet temperature for heating purposes; Introduces external fresh air for ventilation, which also effectively prevents windshield fogging. Precautions for using car air conditioning: Avoid excessively low temperature settings. Large indoor-outdoor temperature differences may cause driver colds, while extreme cold could lead to arthritis risks for passengers. Adjust air vent direction. Following the principle that cold air sinks and warm air rises: set vents upward when cooling and downward when heating. Don't immediately turn on AC after sun exposure. When the car has been parked under strong sunlight, first open windows for ventilation before activating air conditioning after heat dissipation.

1

5

Share

Is it necessary to display the vehicle inspection exemption label on the car?

Nowadays, the vehicle inspection label has been digitized and does not need to be displayed on the car. Here is the relevant information: 1. Vehicle inspection: It refers to a mandatory test for every vehicle that has obtained an official license plate and registration certificate, equivalent to an annual physical examination for the vehicle according to the 'Technical Conditions for Motor Vehicle Operation Safety'. Vehicle inspection can promptly eliminate potential safety hazards, encourage enhanced vehicle maintenance, and reduce the occurrence of traffic accidents. 2. Required documents: Original and photocopy of the 'Resident ID Card', original and photocopy of the 'Motor Vehicle Registration Certificate'; and the application form for the motor vehicle inspection label.

19

5

Share

Where is the license plate with 'Zhe X' from?

What does 'door' mean on a car?

What does it mean when the STOP light on the dashboard is on?

What does a red light flashing on the windshield indicate?

Should a Land Rover use 92 or 95 octane gasoline?

What does ECON mean?

Is it necessary to display the vehicle inspection exemption label on the car?

What Causes Water to Drip from the Exhaust Pipe?

What are the maintenance items for a car at 100,000 kilometers?

What is the working principle of a differential?

What does brake assist mean?