What are the symptoms of high pressure in a car's air conditioning system?

Can the emergency lane on the highway be used?

You cannot use the emergency lane on the highway. Emergency lane: It refers to the part of the road adjacent to the right-hand traffic lane, including the hard shoulder, with a width of more than 3 meters and an effective length of 30 meters or more, which can meet the needs of motor vehicle parking. In emergency situations, vehicles can drive or park on the emergency lane. Consequences of illegal parking on the emergency lane: Using the emergency lane in non-emergency situations will result in a fine and 6 penalty points. Article 82, Item 4 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" stipulates: When driving on the highway, motor vehicles shall not engage in the following behaviors: driving or parking on the emergency lane in non-emergency situations.

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Can you change lanes on the thick white dashed line on the elevated road?

You can change lanes on the thick white dashed line on the elevated road. White dashed line: When painted on a road section, it is used to separate traffic flows in the same direction or as a safety distance recognition line; when painted at an intersection, it is used to guide vehicle movement. White solid line: When painted on a road section, it is used to separate motor vehicles and non-motor vehicles traveling in the same direction or to indicate the edge of a traffic lane; when painted at an intersection, it can be used as a guide lane line or a stop line. Yellow dashed line: When painted on a road section, it is used to separate opposing traffic flows; when painted on the roadside or curb, it is used to prohibit long-term parking on the roadside. Yellow solid line: When painted on a road section, it is used to separate opposing traffic flows; when painted on the roadside or curb, it is used to prohibit long-term or temporary parking on the roadside.

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What is the speed limit on the Chuxin Expressway?

The Chuxin Expressway has a speed limit of 80 in tunnels only, with other sections limited to 120. Maximum speed: Expressways should indicate the driving speed of lanes, with the maximum speed not exceeding 120 kilometers per hour and the minimum speed not less than 60 kilometers per hour. On expressways, the maximum speed for small passenger vehicles should not exceed 120 kilometers per hour, other motor vehicles should not exceed 100 kilometers per hour, and motorcycles should not exceed 80 kilometers per hour. Safe speed on expressways: Scientific research has shown that the safest speed in China is between 110-115 kilometers per hour. Under normal circumstances, on expressways with a speed limit of 120 km/h, speeds between 90 km/h and 110 km/h are theoretically the safest, making driving speeds within this range the most secure.

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How Many Years Does a Car Battery Typically Last?

Under normal circumstances, a car battery can last between 3 to 4 years. Precautions for car battery usage: It is recommended not to use electronic devices in the car for extended periods when the engine is not running. Additionally, avoid turning on power-intensive devices such as headlights and air conditioning simultaneously when starting the engine. Methods to determine the condition of a car battery: Currently, over 80% of maintenance-free batteries come with a charge indicator. The indicator typically displays three colors: green, black, and white. Green indicates sufficient charge, black signifies slight discharge, and white means the battery is dead and needs replacement. For specifics, refer to the label on the battery. Check around the battery terminals for any white or green powdery substances, which are battery oxides. High-quality or new batteries generally do not develop these oxides easily. Their presence indicates that the battery's performance is beginning to deteriorate.

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Is a bidirectional 6-lane road equivalent to a 12-lane road?

A bidirectional 6-lane road is not equivalent to a 12-lane road. Bidirectional six-lane road: A bidirectional six-lane road has a design speed of 40-80km/h, with a total width of six lanes. A median strip or green belt must be installed in the middle, with each lane being 3.75 meters wide. If necessary, a non-motorized vehicle lane of at least 3.5 meters and a sidewalk of at least 4 meters must be provided. Bidirectional six-lane expressway: It has a design speed of 80-120km/h, with a subgrade width of at least 33 meters. Each lane is 3.75 meters wide, and green belts, shoulders, emergency lanes, and emergency parking strips of 1.5-3.5 meters must be established.

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What is the reasonable RPM when driving at 120 km/h?

When driving at 120 km/h, the RPM is approximately 3500. The specific analysis is as follows: Some vehicles with larger engine displacement and better transmissions will have lower engine RPM at 120 km/h, while smaller displacement engines may experience significantly higher RPM as speed increases. For example, some domestic small-displacement cars may reach 3500 RPM when driving on highways. Generally speaking, exceeding 3500 RPM indicates insufficient vehicle power or excessive wind resistance, which can be resolved by reducing speed, though this may vary by vehicle model. However, if the RPM exceeds 4000, there may be an issue with the vehicle itself. For manual transmission vehicles, it is necessary to check if the clutch is slipping, while for automatic transmission vehicles, the transmission should be inspected. Additionally, check the oil pressure, fuel injectors, and spark plugs. The relationship between speed and engine RPM is not only related to engine displacement but also significantly influenced by the transmission matching and fuel quality. In general, the larger the engine displacement, the lower the RPM at 120 km/h. For some small-displacement vehicles, maintaining an RPM around 3500 at 120 km/h is normal.

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What are the symptoms of high pressure in a car's air conditioning system?

Can the emergency lane on the highway be used?

Can you change lanes on the thick white dashed line on the elevated road?

What is the speed limit on the Chuxin Expressway?

How Many Years Does a Car Battery Typically Last?

Is a bidirectional 6-lane road equivalent to a 12-lane road?

What is the reasonable RPM when driving at 120 km/h?

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