What is the maintenance interval for the Geely Emgrand GS?

What is the normal tire pressure for Lavida?

The normal tire pressure for Volkswagen Lavida ranges between 2.4 and 2.5 bar. Due to seasonal factors, the tire pressure can be increased by 0.2 bar in winter and reduced by 0.1 bar in summer. This data complies with the international GBT2978-2008 standard requirements. The Volkswagen Lavida's tire pressure monitoring system is displayed on the dashboard and is enabled by default. When the tire pressure is abnormal, the tire pressure warning light will illuminate to alert the driver. There is no physical button for the tire pressure monitoring system in the vehicle. Generally, a tire pressure exceeding 2.8 bar is considered too high, while a tire pressure below 2.0 bar is considered too low. Hazards of overinflated tires: Reduced friction and adhesion, affecting braking performance; causes steering wheel vibration and deviation, reducing driving comfort; accelerates uneven wear on the central tread pattern, shortening tire lifespan; increases vehicle vibration, indirectly affecting the lifespan of other components; overstretches tire cords, reducing elasticity and increasing the load on the vehicle during driving. Hazards of underinflated tires: Increased friction with the road surface, leading to higher fuel consumption; causes heavy steering and deviation, compromising driving safety; increases movement of tire components, leading to excessive rolling and abnormal heat generation; weakens cord and rubber functions, causing delamination or cord breakage and excessive friction with the rim, damaging the bead area and causing abnormal wear; multiplies friction between the tire and ground, rapidly increasing tire temperature, softening the tire, and drastically reducing strength. High-speed driving may result in a tire blowout. If the tire pressure monitoring indicator light illuminates (a yellow symbol with an irregular circle, no stamp on top, four small spikes below, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: Typically, an alarm is triggered when pressure is below 1.8 bar or above 3.0 bar. In this case, tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the system records the previous data, causing the indicator light to illuminate. Simply reset the tire pressure to resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, installed inside the tire and connected to the inflation valve, monitors tire pressure. If the sensor is damaged due to impact while driving, the tire pressure warning light will illuminate. In this case, the only solution is to replace the sensor with a new one.

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What does it mean when the ETC device shows 'Label Invalid'?

ETC displays 'Label Invalid' due to unauthorized removal or relocation of the OBU device, or the ETC electronic tag falling off or becoming loose. It needs to be reinstalled and reactivated at the original processing point or any highway ETC service center. The ETC installation process is as follows: Upon receiving the device, first check if the ETC card and electronic tag (OBU) are damaged. Press the anti-tamper button on the back of the OBU; a red light will briefly turn on, and the OLED screen will display 'Label Invalid' or 'Please Insert Card,' indicating the device is functioning normally. Clean the front windshield, ensuring the glass surface is smooth, clean, and dry. Then peel off the protective film on the back of the OBU adhesive and stick it to the installation position. Press firmly for 2-3 minutes to remove air bubbles. Insert the ETC card with the front side facing the driver and the back side facing the windshield, ensuring the chip is inserted into the OBU device. ETC activation method: Insert and remove the ETC card twice in succession until the electronic tag screen displays 'Bluetooth On.' If 'Label Invalid' appears when inserting and removing the card twice without the electronic tag attached, this is normal and does not affect activation. Alternatively, press the button on the top of the electronic tag to enable Bluetooth directly. Turn on the phone's Bluetooth and open the corresponding mobile app (usually with a download QR code on the electronic tag), then enter the device activation interface. Click 'Device Connection' and wait patiently for the 'Connection Successful' prompt. Once connected, upload a photo of the vehicle's front to complete activation.

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How to Use the Automatic Transmission in Volkswagen Cars?

Volkswagen automatic transmissions only have the brake and accelerator pedals, with the clutch and brake combined. P stands for Park, R for Reverse, D for Drive, and N for Neutral. Below is a detailed introduction to the specific gear positions: 1. P (Park) Gear: When the gear lever is in the P position, the transmission is internally in neutral, but the output shaft is mechanically locked. At this point, the car will remain stationary even without pressing the brake. It is generally used for long-term parking. When shifting into P, the car must be completely stationary. Do not shift into P while the car is still moving, and always engage the parking brake. When parking on a slope, engage the parking brake before shifting into P. 2. R (Reverse) Gear: When the gear lever is in the R position, the transmission's output shaft rotates in the opposite direction to the engine, allowing the car to move backward. When shifting into R, the car must be completely stationary. Do not shift into R while the car is still moving. 3. N (Neutral) Gear: When the gear lever is in the N position, the gears inside the transmission are freewheeling, and the clutch is disengaged, resulting in minimal load on the transmission. N is generally used for short-term parking. Additionally, when towing the car, the transmission should be placed in N. 4. D (Drive) Gear: When the gear lever is in the D position, the gears inside the transmission automatically shift between the lowest and highest gears based on factors such as vehicle speed and throttle opening, following preset shifting patterns. In most cases, D can be used for driving.

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What does 10w-50 oil mean?

The number 10 represents the minimum applicable temperature of the oil at minus 25 degrees Celsius, W stands for Winter, and 50 represents the high-temperature viscosity of the oil, which is the meaning of 10w50 oil. The oil grade usually indicates viscosity and quality. The oil grade consists of two parts: classification and viscosity specification, with the specific interpretation as follows: w represents the cold-start performance, and the smaller the number, the easier it is to start the engine in cold weather. Common grades include 0w, 5w, 10w, and 15w. The number 50 indicates the viscosity characteristics of the oil at high temperatures. High-viscosity oils (with higher values) may be more suitable for high-speed driving or heavy-duty vehicles. The number after w is an indicator of the oil's high-temperature resistance. The larger the number, the better the oil's protective performance at high temperatures. The grade after the oil classification represents its viscosity specification. For example, in "15w-50, 5w-50," the lower the number before w, the better the engine protection during cold starts. For instance, 5w represents resistance to external low temperatures of -30°C, while 20w resists low temperatures of -15°C. The number after w represents the kinematic viscosity of the oil at 100°C, with higher numbers indicating higher viscosity. The viscosity of lubricating oil is often labeled using SAE grades, where SAE stands for the "Society of Automotive Engineers" in English. Internationally, the SAE (Society of Automotive Engineers) viscosity grade and API (American Petroleum Institute) quality grade are widely adopted. When choosing oil, the following precautions should be noted: Multi-grade oils should be preferred as they are economical, long-lasting, and efficient, providing better protection for the engine. Due to the characteristics of multi-grade oils, they may appear darker prematurely and have lower oil pressure compared to conventional oils, which is normal. The choice of oil should be based on the engine's requirements. It is unnecessary to use overly advanced oil in engines with lower requirements, as this does not fully utilize the benefits of high-grade oil. Conversely, using lower-grade oil in engines with higher requirements may lead to increased wear of internal engine components.

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Where is Lu F?

Lu F is Haiyang City, Shandong Province. Below is a partial introduction about the first car maintenance: 1. Key items: The main items for the first maintenance of a new car are changing the engine oil and oil filter. Its main function is to identify the region to which the vehicle belongs through the license plate. 2. Reason: Since the period before the first maintenance is the running-in period of the vehicle, the gradually running-in engine will continuously mix mechanical impurities such as dust, metal wear, and carbon deposits into the engine oil during operation. Driving at high speeds may cause abnormal engine wear. If the debris and impurities produced by the engine operation are not removed in time, it may cause abnormal damage to the inside of the cylinder.

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What is the weight of the BMW X4?

The weight of the BMW X4 is 1850-1920 kg. The curb weight of a car: The curb weight of a car refers to the weight of the car when it is fully equipped according to factory technical conditions (such as spare tires, tools, etc.), with all fluids filled. Curb weight refers to the total mass of the car with all working devices and chassis accessories, fully fueled and watered, without passengers. The gross vehicle weight: The gross vehicle weight refers to the weight of the car when it is fully equipped and loaded with passengers (including the driver) and cargo as specified. The gross vehicle weight is the weight of the car when fully equipped and loaded with passengers and cargo as specified.

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What is the maintenance interval for the Geely Emgrand GS?

What is the normal tire pressure for Lavida?

What does it mean when the ETC device shows 'Label Invalid'?

How to Use the Automatic Transmission in Volkswagen Cars?

What does 10w-50 oil mean?

Where is Lu F?

What is the weight of the BMW X4?

What is the ideal tire pressure for car tires?

What is the National Standard Level of National V (National 5)?

How to Check Vehicle ETC Records?

How Many Stages Are There in Autonomous Driving?