What is Engine Coolant?

Can private cars drive on the Hong Kong-Zhuhai-Macao Bridge?

Private cars are not allowed to pass through the Hong Kong-Zhuhai-Macao Bridge. The types of vehicles permitted on the bridge include cross-border buses, shuttle buses, cross-border taxis, cross-border freight vehicles, and cross-border private cars. Below is an introduction to the Hong Kong-Zhuhai-Macao Bridge: 1. History: The predecessor of the Hong Kong-Zhuhai-Macao Bridge was the originally planned Lingdingyang Bridge. In the early 1980s, although land transport links between Hong Kong, Macao, and mainland China were continuously improving, traffic connections between Hong Kong and the western Pearl River Delta region were limited due to the barrier posed by Lingdingyang. 2. Construction: On December 15, 2009, the Hong Kong-Zhuhai-Macao Bridge officially began construction. 3. Layout: The Hong Kong-Zhuhai-Macao Bridge consists of three navigable bridges, an underwater tunnel, four artificial islands, connecting bridges and tunnels, continuous beam bridges for non-navigable sections in deep and shallow waters, and land connection lines in Hong Kong, Zhuhai, and Macao. Among these, the three navigable bridges from east to west are the Qingzhou Channel Bridge.

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How Many Kilometers Should You Drive Before Replacing Brake Pads?

Front brake pads should be replaced every 30,000 to 50,000 kilometers, while rear brake pads should be replaced every 60,000 to 100,000 kilometers, as the wear and lifespan of front and rear brake pads differ. A car has four brake pads in total (two front and two rear), and brake pads on the same axle must be replaced together to ensure even braking force on both sides. Below are some brake pad maintenance tips: 1. Under normal driving conditions, inspect the brake pads every 5,000 kilometers. Check not only the remaining thickness but also the wear condition, whether both sides are wearing evenly, and whether they retract smoothly. Address any abnormalities immediately. 2. When replacing brake pads, use original equipment manufacturer (OEM) parts to ensure optimal braking performance and minimal wear between the pads and rotors. 3. When replacing brake pads, always use specialized tools to retract the brake caliper pistons. Avoid using pry bars or other tools to force them back, as this can bend the caliper guide pins and cause the pads to seize. 4. After replacing brake pads, a break-in period of 200 kilometers is required to achieve optimal braking performance, so drive cautiously immediately after replacement.

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Who to Contact When a Fully Paid New Car Lacks a Certificate of Conformity?

According to relevant regulations, a new car without a factory certificate of conformity cannot only be exempt from vehicle purchase tax but also cannot be registered and licensed by the traffic management department. In accordance with relevant laws and regulations, when consumers purchase a new car, the dealer must deliver not only the car itself but also the certificate of conformity, user manual, invoice, and other credentials to the consumer. After the vehicle purchase is completed and the consumer has paid in full, they can contact the dealer for resolution. Below is an introduction to the certificate of conformity: 1. Overview: The certificate of conformity is another important credential for a car and is essential for vehicle registration. Only cars with a certificate of conformity meet the national requirements for motor vehicle equipment quality and related standards. 2. Content: The purchase invoice is the most important proof when buying a car and is also one of the credentials required for vehicle registration. Therefore, when purchasing a car, you must request the purchase invoice from the dealer and confirm its validity. 3. Other Documents: Some vehicle engines come with a separate user manual, and certain optional equipment for some vehicles may have specific requirements or regulations. In such cases, consumers should request the relevant credentials from the dealer.

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What is the difference between a 7-seater SUV and an MPV?

The differences between a 7-seater SUV and an MPV: 1. Styling differences: 7-seater SUVs still maintain the exterior characteristics of SUV models, while MPVs follow a more stable and business-oriented design. The appearance of the car can also easily distinguish between a 7-seater SUV and an MPV. 2. Different seating layouts: Generally, 7-seater SUVs have a 2+3+2 seating arrangement, while MPVs usually have a 2+2+3 layout. MPVs typically feature sliding doors, whereas 7-seater SUVs have traditional side-opening doors. The sliding doors in MPVs were originally designed to make it easier for rear passengers to get in and out. 3. Space differences: 7-seater SUVs usually have a body length of around 4.7 meters, while MPVs are generally about 4.9 meters long. 4. Handling differences: Although 7-seater SUVs have increased in size, their handling and off-road capabilities are not compromised, retaining a certain level of off-road performance. MPVs, on the other hand, are more conservative in terms of power and are tuned for comfort, focusing more on passenger experience. As a result, MPVs have relatively lower chassis and larger bodies, making them appear slightly bulky and less agile in handling compared to 7-seater SUVs.

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Where is the charging port for the Audi A6 data cable?

The USB port of the Audi A6 is hidden in a box under the rear seat air conditioning. Open it to find a USB port and power supply. The Audi A6 does not have a USB port in the front row, only in the rear. The USB port of the Audi A6 is designed for data transfer. Below is the relevant introduction: 1. Working principle: The in-car power supply converts DC-12V or DC-24V to DC-5V, and then uses the unified USB interface to charge the corresponding electrical devices with the DC-5V output. Since different devices have varying power requirements, the power of the USB car charger also varies significantly, mainly differing in the current output of the USB car charger. 2. Precautions: To avoid damaging the vehicle's electronic devices, never connect accessories that output current to charge the vehicle's battery. Do not connect devices that use a voltage level different from the value indicated on the socket. Carefully unplug the connector from the power source to prevent damage. Improper use may result in serious injury or cause a fire. Therefore, when the key is left in the car, never leave children unattended in the vehicle to avoid injury risks.

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What is the symbol for the heater?

The heater switch symbol is generally displayed as a "thermometer" or with red and blue color markers on both sides. By rotating the knob, the red area indicates gradually increasing temperature. Automatic air conditioning allows you to set a temperature and then press the AUTO button, where the system will automatically adjust based on the interior temperature of your car. Below is an introduction to the heater: 1. Principle: The main motor drives the plunger oil pump, combustion-supporting fan, and atomizer to rotate. The oil pump delivers the inhaled fuel to the atomizer via the fuel pipeline. The atomizer mixes the atomized fuel with the air inhaled by the combustion-supporting fan in the main combustion chamber through centrifugal force, which is then ignited by the glowing glow plug. After full combustion in the rear combustion chamber, the process reverses, transferring heat to the medium—coolant—in the water jacket interlayer through the inner wall of the water jacket and the fins above. The heated medium circulates throughout the pipeline system under the action of the circulation water pump (or thermal convection) to achieve the heating purpose. The exhaust gas from the heater is discharged through the exhaust pipe. 2. Function: Heats the engine's circulating medium—antifreeze—directly transferring heat to the interior radiator and defroster, providing a heat source for cold engine starts and cabin heating.

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What is Engine Coolant?

Can private cars drive on the Hong Kong-Zhuhai-Macao Bridge?

How Many Kilometers Should You Drive Before Replacing Brake Pads?

Who to Contact When a Fully Paid New Car Lacks a Certificate of Conformity?

What is the difference between a 7-seater SUV and an MPV?

Where is the charging port for the Audi A6 data cable?

What is the symbol for the heater?

What does 'sport' mean when it's on a car?

What does EBP mean in vehicles?

Do car brakes generally apply to the front or rear wheels?

What is the symbol for high beam and low beam lights?