What is the incremental quota for new energy passenger vehicles in Shenzhen?

Difference Between Body-on-Frame and Unibody?

The differences between body-on-frame and unibody are as follows: 1. Unibody: The characteristic is the absence of a separate frame, with the entire body integrated as one unit. The engine, transmission system, and suspension system are all installed at designated positions on the body. In terms of safety, high-strength steel is used to reinforce the front, rear, and side panels. The arrangement and combination of steel plates help transfer and disperse impact forces, protecting occupants inside the vehicle. Moreover, with technological advancements, the safety of unibody structures has significantly improved, now being nearly on par with body-on-frame designs. 2. Body-on-Frame: The core feature is a component called the frame (commonly known as the chassis). The frame typically consists of two longitudinal beams and several cross beams, running through the vehicle body, offering high strength and torsional resistance. The powertrain, suspension system, and body of the vehicle are directly or indirectly mounted onto the frame. The frame bears the weight of the vehicle's main components, passengers, cargo, as well as inertial forces and torsional forces from road feedback.

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Should You Leave the Car in P or N Gear When Parking for a Long Time Without Turning Off the Engine?

Leave the car in P gear when parking for a long time without turning off the engine. Here are some precautions for driving an automatic transmission car: Normal roads: There are no specific requirements for the gear. You can drive normally by keeping the car in D gear. Parking: When the engine stops running, shift the gear to P to indicate that the car is no longer in use. Some cars require shifting to P gear to remove the car key. Reversing: After pressing the brake and ensuring the car stops moving forward, shift to R gear. Gently release the brake to start reversing. Waiting while parked: When driving on congested roads, you can shift to N gear. Highways: When overtaking at high speeds, you can shift to S gear. S gear is the car's sport mode, allowing free gear changes like D gear. You can also choose S gear when climbing slopes, as this gear provides the maximum torque output and acceleration.

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What Are the Vehicle Annual Inspection Exhaust Emission Standards?

Here is an introduction to the vehicle annual inspection exhaust emission standards: The emission standards for light-duty vehicles were issued in July 1999 and revised in 2001. 1. GB18352.1-2001 "Limits and Measurement Methods for Emissions from Light-Duty Vehicles (I)" is equivalent to the EU 93/59/EC Directive, referencing part of the technical content of the 98/77/EC Directive, equivalent to Euro I, issued and implemented on April 16, 2001. 2. GB18352.2-2001 "Limits and Measurement Methods for Emissions from Light-Duty Vehicles (II)" is equivalent to the EU 96/69/EC Directive, referencing part of the technical content of the 98/77/EC Directive, equivalent to Euro II, implemented from July 1, 2004. 3. GB18352.3-2005 "Limits and Measurement Methods for Emissions from Light-Duty Vehicles (China III and IV Stages)" is partially equivalent to Euro III and was implemented in 2007.

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How often should the antifreeze in a new car be replaced?

New car antifreeze should be replaced every two years. Antifreeze, also known as antifreeze coolant, is a type of coolant containing special additives, mainly used in liquid-cooled engine cooling systems. It contains calcium chloride, methanol, ethanol, ethylene glycol, and glycerol. The method for replacing antifreeze is as follows: 1. Open the car hood after the engine has cooled down; 2. Open the antifreeze reservoir cap; 3. Lift the vehicle and open the radiator drain plug, drain the old antifreeze, and then reinstall the drain plug; 4. Lower the vehicle and pour new antifreeze into the antifreeze reservoir. Precautions for replacing antifreeze include: 1. Choose antifreeze with a low freezing point, high boiling point, and good anti-corrosion properties; 2. When replacing the antifreeze in the vehicle, ensure the old antifreeze is completely drained and the system is cleaned; 3. Check the hoses for any signs of aging and replace them promptly if necessary.

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Do You Need to Lift Off the Throttle When Using Paddle Shifters?

Paddle shifting requires lifting off the throttle. The paddle shifters are typically located behind the steering wheel. To operate them, simply push the gear into D, S, or manual mode. Some models equipped with paddle shifters include: 1. Audi A8; 2. BMW Z4 sports car; 3. Volkswagen Touareg W12 top sports car; 4. Cadillac CTS 2009 model; 5. Mazda RX8. The techniques for paddle shifting are: 1. Depress the clutch, lift off the throttle, when the speed is 32 km/h and the engine speed is 2500 rpm, the engine speed will start to drop after depressing the clutch and lifting off the throttle; 2. Quickly shift the gear lever from second to third gear. After shifting to third gear, the speed is 32 km/h. According to the speed ratio of 32 km/h and third gear, the clutch disc speed drops to 1686 rpm; 3. Observe the engine tachometer. When the speed drops to 1686 rpm, follow the operation essentials of releasing the clutch to enter the semi-clutch state.

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Can You Wash the Inside of a Car Hood with Water?

You should not wash the inside of a car hood with water for the following reasons: 1. It can easily damage the generator, potentially causing it to fail. 2. If the engine is hot, the sudden temperature change from cold water can cause significant damage. The engine block may crack due to thermal shock. 3. The engine compartment contains many electrical wires, which can be damaged by water and may accelerate aging. Precautions for using water to clean the engine compartment: 1. Cover the generator, distributor, brake fluid reservoir, etc., with a cloth or plastic bag. 2. Try to wash the engine after it has cooled down, and avoid using high-pressure water jets. 3. After washing, thoroughly dry the engine compartment with a clean cloth, especially the underside of the hood. 4. Do not aim the water jet directly at the air intake or electrical connectors.

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What is the incremental quota for new energy passenger vehicles in Shenzhen?

Difference Between Body-on-Frame and Unibody?

Should You Leave the Car in P or N Gear When Parking for a Long Time Without Turning Off the Engine?

What Are the Vehicle Annual Inspection Exhaust Emission Standards?

How often should the antifreeze in a new car be replaced?

Do You Need to Lift Off the Throttle When Using Paddle Shifters?

Can You Wash the Inside of a Car Hood with Water?

What does 10w-40 engine oil mean?

How to Identify the Quality of Gasoline?

What does 'mode' mean on a car air conditioner?

What Causes Gear Shift Jerkiness in Automatic Transmission Vehicles?