What does the yellow triangle with an exclamation mark on the car dashboard mean?

How many people are required for the HOV lane at minimum?

The HOV (High-Occupancy Vehicle) lane requires vehicles entering this lane to have at least 2 or more occupants (including the driver). Single-occupant vehicles are prohibited. The HOV lane is also known as the carpool lane. When this sign appears, it defaults to allowing only vehicles with 2 or more occupants. The HOV lane is marked with HOV-2+, or a combination of 2+ and a car image. Special cases may have unique markings, such as in Wuxi and other regions where HOV lanes require 3 or more occupants, marked as HOV-3+, or with 3+ added next to the car on the sign. The significance of the HOV lane: The dedicated HOV lane originates from Europe and America, playing a positive role in optimizing travel structures and road resource allocation, reducing the occupation of road resources by empty vehicles, and promoting carpooling and green travel. Carpooling reflects the encouragement of the sharing economy, providing a new solution to improve the efficiency of human-vehicle-road coordination, promote dynamic balance in transportation supply and demand, and optimize travel methods.

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How to use the air conditioning in a Polo car?

New Polo's air conditioning mode has replaced the traditional knob with button selection, making it more convenient and accurate to operate while driving. Simply turn on the 'auto' mode or the 'AC', and adjust the fan speed as needed. The correct usage of Volkswagen's new Polo air conditioning is as follows: 1. Proper defogging: During rainy or snowy weather, due to high humidity inside the car and the temperature difference between the inside and outside (cold outside and warm inside), fog will form on the inner surface of the car windows. This significantly affects driving safety. Knowing how to properly defog to eliminate safety hazards is one of the essential skills every car owner must master. 2. Correct use of internal and external circulation: The airflow ducts inside and outside the car are interconnected. Whether the air conditioning system is on or not, air continuously flows in and out. If the fan is turned on, it will accelerate the exchange and circulation of air. When driving in mountainous areas or by the sea, using the external circulation mode can mostly fill the car with fresh air, improving the air quality inside. However, if the external circulation mode is used in heavy traffic areas, it will draw in exhaust fumes and dust, significantly reducing the air quality inside the car. In severe cases, it may even cause discomfort to the passengers. Therefore, when driving in congested commuting areas, try to avoid using the external circulation mode to prevent affecting the respiratory health of the occupants.

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What does the engine MIL fault mean?

MIL stands for Malfunction Indicator Lamp, indicating that there is a fault in the engine system. Here is the relevant information: 1. Fault light on: When the general OBD fault indicator light comes on, the ECU will use some pre-set data to temporarily replace the faulty data. As a result, the car will operate based on "false data," which may affect many normal operations. 2. Precautions: Regardless of the cause of the engine fault light, it is necessary to use a computer diagnostic tool for diagnosis. If it is a false fault code, simply clear it. If there is a real fault, troubleshooting and repair should be carried out based on the fault code.

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What is the maintenance schedule and content for the Toyota Corolla?

Toyota Corolla's maintenance schedule involves minor maintenance every 5,000 kilometers and a major maintenance at 40,000 kilometers. The maintenance primarily covers the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, etc. Below is an introduction to car maintenance: 1. Definition of car maintenance: Car maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. 2. Purpose of car maintenance: The purpose of car maintenance is to keep the car clean, maintain normal technical conditions, eliminate potential hazards to prevent failures, slow down the deterioration process, and extend the usage cycle.

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What are the symptoms of a loose motorcycle timing chain?

Motorcycle timing chain looseness can lead to reduced engine efficiency in mild cases, and in severe cases, it can cause the engine to malfunction or even become damaged. Below is some information about the motorcycle timing chain: 1. Introduction: The motorcycle timing chain, also known as the timing chain, is responsible for providing the engine with accurate ignition timing and coordinating the opening and closing of the valves to ensure the engine operates normally and efficiently. 2. Hazards of being too loose or too tight: The speed of the vehicle is determined by the engine's RPM and the transmission gear. The chain is the connecting component between the transmission output gear and the drive wheel gear. If it is too loose, it cannot guarantee the transmission ratio and power transfer; if it is too tight, it is prone to wear and breakage.

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Why can't the van start after wading through water?

The reasons why a van cannot start after wading through water are as follows: 1. Spark plug failure: The spark plug is the key component of the car's ignition system, so its performance directly affects the overall working performance and efficiency of the vehicle. 2. Battery depletion: The characteristic symptom is that the starter begins to turn but the speed is insufficient, and later the starter only makes abnormal noises without turning. 3. Gasoline flow obstruction: The characteristic symptom is that there is no oil pressure in the engine fuel supply pipe. This situation often occurs on particularly cold mornings and is caused by long-term dirt in the fuel pipeline. The car can be placed in a warm environment, and it can start after a while.

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What does the yellow triangle with an exclamation mark on the car dashboard mean?

How many people are required for the HOV lane at minimum?

How to use the air conditioning in a Polo car?

What does the engine MIL fault mean?

What is the maintenance schedule and content for the Toyota Corolla?

What are the symptoms of a loose motorcycle timing chain?

Why can't the van start after wading through water?

What are the reasons for the engine warning light to come on?

What is the age limit for applying for a B2 driver's license?

Why does a van suddenly stall and fail to start while driving?

What is the Volkswagen Tayron 330TSI?