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What is the Principle of Car Reversing Radar?

1 Answers
LeviAnn
07/29/25 7:38am
Car reversing radar works by alerting the driver about surrounding obstacles through sound or more intuitive displays, eliminating the hassle of checking around when parking, reversing, or starting the vehicle. It helps drivers overcome blind spots and unclear vision, enhancing driving safety. The performance of reversing radar mainly includes: sensitivity, presence of blind zones, and detection range. Typically, reversing radars detect distances from 1.5 to 0.3 meters, with high-quality ones reaching up to 2.5 meters. Some reversing radars, due to insufficient sensitivity, only detect distances from 1.2 to 0.4 meters, which can make it more difficult for drivers to judge and react.
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More Forum Discussions

What Causes the Engine Abnormal Noise in Boyue?

Here are the reasons for the engine abnormal noise in Boyue: 1. Aging or loosening of engine mounts: Engine mounts are used to reduce vibration and buffer during engine operation, as well as to secure the engine. Once these mounts age or loosen, the engine will vibrate, resulting in abnormal noise. 2. Engine misfire noise: This mainly refers to one or more cylinders not working properly, typically manifested as: intermittent exhaust gas flow from the car, severe shaking of the exhaust pipe, and a clear "popping" or "thumping" sound from the engine. This phenomenon is closely related to the failure of the ignition coil. 3. "Piston slap" noise due to poor lubrication conditions: Excessive wear of the piston and cylinder wall leads to the clearance between the piston and cylinder wall exceeding the normal tolerance range. During engine operation, the piston skirt impacts the cylinder wall, producing a clear "clanging" sound, which is usually more noticeable at idle or low speeds.
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What does it mean when the engine icon on the car dashboard lights up yellow?

The engine light on the car dashboard turning yellow indicates an issue with the engine. Possible reasons include the following: 1. Poor engine combustion is a key reason for the engine warning light. For example, problems with the engine's spark plugs, ignition coils, fuel pump, or clogged fuel lines can lead to poor combustion of the air-fuel mixture. 2. Air intake issues. The car's air filter, which is related to the engine's air intake, can become clogged over time, and in severe cases, this can cause the engine warning light to come on. 3. Fuel quality issues. This includes both engine oil and fuel. If the fuel quality is poor, the engine cylinders may become dirty, leading to carbon deposits.
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Differences Between Mercedes-Benz E-Class and C-Class?

Here is a related introduction to the differences between the Mercedes-Benz E-Class and C-Class: 1. Car Appearance: The Mercedes-Benz E-Class is positioned as a mid-size luxury sedan, while the C-Class is positioned as a compact luxury sedan. The C-Class is Mercedes-Benz's compact sedan, belonging to the same category as the BMW 3 Series and Audi A4 series. 2. Fuel Consumption: The new C-Class has a more comprehensive safety configuration, equipped with an active safety system, intelligent lighting system, preventive safety system, passenger safety protection system, and rescue tools. The E-Class: The Mercedes-Benz E-Class is a mid-size luxury sedan, belonging to the same category as the BMW 5 Series and Audi A6. The newly upgraded E-Class has undergone some minor adjustments in car configuration in addition to changes in power. Compared to the previous E-Class, the entire series now comes standard with a liquid crystal display, and it's a full-width liquid crystal display. 3. Equipped with Carplay and Carlife, and supports voice recognition function, elevating the car's grade to another level. The E-Class features many configurations from the S-Class models, earning it the nickname "Little S-Class." Whether in terms of car size or product positioning, the E-Class outperforms the C-Class.
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What are the differences between Changan Eado and Eado DT?

Here is a detailed introduction to the differences between Changan Eado and Eado DT: 1. Exterior: The second-generation Eado is more dynamic with more varied lines, while the Eado DT has simpler lines, and there are also many differences in wheels and lighting; another difference lies in the grille, with the second-generation Eado having 7 slats and the Eado DT having 6 chrome slats. 2. Powertrain: The second-generation Eado is equipped with a 1.6L GDI direct-injection engine paired with a 6AT transmission, while the Eado DT comes with 1.0T and 1.6L engines, matched with 5-speed, 6-speed manual transmissions, and a 4-speed automatic transmission. 3. Dimensions: The second-generation Eado measures 4710*1820*1505mm with a wheelbase of 2700mm, while the Eado DT measures 4575*1750*1500mm with a wheelbase of 2610mm. In terms of size, the second-generation Eado is clearly the 'big brother' of the Eado DT. 4. Features: The second-generation Eado is relatively richer in features, including active braking, ACC adaptive cruise control, keyless entry and start, power seats, a 10.25-inch touchscreen, air purifier, etc., offering higher configuration and a stronger sense of technology.
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Is Land Rover a Domestic or Imported Vehicle?

Land Rover is an imported vehicle, manufactured in the UK. Below is an introduction to Land Rover: 1. Land Rover is a British luxury all-terrain SUV manufacturer, with all its models being luxury SUVs. 2. Land Rover utilizes two types of engines: one is a low-power version 2.0-liter turbocharged engine, and the other is a high-power version 2.0-liter turbocharged engine. 3. The low-power version 2.0-liter turbocharged engine delivers 200 horsepower and a maximum torque of 320 Nm, with the peak torque range between 1200 to 4000 rpm. This engine is equipped with a 48V mild hybrid system, direct fuel injection technology, and features an aluminum alloy cylinder head and block. It is paired with a 9-speed automatic transmission (9AT). 4. The high-power version 2.0-liter turbocharged engine produces 249 horsepower and a maximum torque of 365 Nm, with the peak torque range between 1300 to 4500 rpm. This engine also comes with a 48V mild hybrid system, direct fuel injection technology, and an aluminum alloy cylinder head and block. It is matched with a 9-speed automatic transmission (9AT).
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Is the i8 a Sports Car?

i8 is a sports car, and BMW officially positions the i8 as a mid-size sports car. More details about the BMW i8 are as follows: 1. The new BMW i8 is a hybrid-powered two-door supercar, featuring a dynamic front bumper and a classic radiator grille design, inheriting BMW's consistent family concept. 2. The new BMW i8 is equipped with a high-performance hybrid system, highlighting the vehicle's exceptional power performance. 3. The plug-in hybrid system used in the new BMW i8 consists of two electric motors and a turbocharged gasoline engine, with a maximum output of 345 horsepower and a maximum torque of 800 Nm.
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