How to Open the Hood of a BMW 7 Series?

How Long After the Annual Vehicle Inspection Expires Will the Car Be Scrapped?

If a vehicle's annual inspection is overdue for three consecutive motor vehicle inspection cycles, it will be mandatorily scrapped. After mandatory scrapping, the vehicle registration certificate, license plate, and driving license will be canceled. The annual inspection refers to a yearly or biennial safety inspection of the vehicle, covering a comprehensive check of components such as the horn, brakes, axle weight, chassis, ignition system, lighting system, exhaust system, and license plate installation. The purpose of the vehicle annual inspection is to identify any potential safety hazards, ensuring road safety. The vehicle annual inspection can only be conducted in advance and must not be overdue. According to relevant regulations, vehicle drivers can apply for an inspection at the vehicle registration office within three months before the expiration of the current inspection period.

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What is an Automotive Tire Pressure Gauge?

An automotive tire pressure gauge is an instrument used to measure air pressure. The method for reading an automotive tire pressure gauge is as follows: Check the measurement range: The angle between the centerline of the measurement port and the axis of the gauge body is 90-180 degrees. The scale is a quadrangular prism, with a measurement range of 0.07Wpa to 0.4Wpa. Before reading, gently tap the instrument's casing or surface glass with a finger to eliminate friction in the transmission mechanism. Check the pointer: When observing, align the pointer with the mirrored pointer. The value indicated by the pointer at this time is the displayed air pressure value, accurate to one decimal place. Read the temperature value displayed on the pressure gauge, precise to one decimal place. Align the measurement end slot of the pressure gauge with the tire valve and press firmly.

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What does VCU mean in automobiles?

Automotive VCU refers to the core electronic control unit that implements vehicle control decisions. It is generally only equipped in new energy vehicles, as traditional fuel-powered vehicles do not require this device. Below are relevant details about automotive VCU: 1. Functionality: The VCU collects signals such as the accelerator pedal, gear position, and brake pedal to determine the driver's intentions. By monitoring vehicle status information, the VCU processes and sends control commands to the powertrain and battery system for vehicle operation. It also controls the working mode of the onboard auxiliary power system. Additionally, the VCU has vehicle system fault diagnosis, protection, and storage functions. 2. Design Principle: The VCU hardware adopts standardized core module circuits and VCU-specific circuit designs. The standardized core module circuits can be ported and applied in MCUs and BMS, making the platform-based hardware highly portable and scalable.

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What Causes a Car Air Conditioner to Stop Blowing Cold Air?

The reasons why a car air conditioner fails to cool are as follows: 1. Refrigerant issue: Sometimes, the problem lies with the refrigerant in the car's air conditioning system. 2. Filter blockage: Excessive dirt in the refrigerant or the lubricating oil can clog the filter screen, reducing cooling efficiency, increasing resistance, and decreasing the flow of refrigerant to the expansion valve, leading to poor cooling. 3. Saturated dryer: The car's air conditioning system includes a dryer that absorbs moisture from the refrigerant and prevents excessive moisture from reducing cooling capacity. When the desiccant in the dryer becomes saturated, it can no longer filter out moisture. 4. Loose compressor drive belt: Sometimes, the car air conditioner fails to cool because the compressor's drive belt is too loose, or the condenser's heat dissipation capacity is reduced, affecting the air conditioner's cooling performance.

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Is It Serious If the Engine Oil Level Is at the Lower Limit of the Dipstick?

It is serious if the engine oil level is at the lower limit of the dipstick, and it needs to be replenished as soon as possible. There are strict requirements for the amount of engine oil, and the oil level can be checked using the dipstick, which has a minimum and maximum limit. As long as the oil level is between these two limits, it is within the reasonable range. When changing the engine oil, the oil filter must also be replaced. The new oil filter is empty and contains no oil, so before checking the oil level, the engine should be started and run for a few seconds to allow the new oil filter to fill with oil. Engine oil, also known as engine lubricant, serves multiple functions such as lubrication and friction reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption. It is often referred to as the 'blood' of a car.

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Where is the car EDR installed?

EDR is installed inside the car. The following is an introduction to EDR-related content: EDR introduction: EDR stands for Event Data Recorder, which is the vehicle event data recording system; The function of EDR is to record the key operating data of the vehicle during the three stages of pre-collision, collision, and post-collision; EDR can improve the traceability of traffic accidents, recording data such as vehicle speed and brake status when specific events like collisions occur. EDR data function: EDR data generally includes vehicle speed, engine RPM, throttle pedal position (or throttle opening) in the seconds before a collision (before activation or when trigger conditions are met). Valid EDR data can accurately reflect the operating state of the vehicle before the collision and various driving operations performed by the driver.

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How to Open the Hood of a BMW 7 Series?

How Long After the Annual Vehicle Inspection Expires Will the Car Be Scrapped?

What is an Automotive Tire Pressure Gauge?

What does VCU mean in automobiles?

What Causes a Car Air Conditioner to Stop Blowing Cold Air?

Is It Serious If the Engine Oil Level Is at the Lower Limit of the Dipstick?

Where is the car EDR installed?

What are the symptoms of a faulty car brake pump?

Do O-ring Chains Need Lubrication?

How to Repair Valve Leakage?

What is the correct procedure to start and shut down a BMW?