What does the small wrench icon on a car's dashboard mean?

What are the energy sources for new energy vehicles?

New energy vehicles primarily use energy sources including fuel cells, hybrid power, hydrogen energy, natural gas, solar energy, etc. New energy vehicles refer to all vehicles that use energy sources other than gasoline and diesel engines, including pure electric vehicles, extended-range electric vehicles, hybrid electric vehicles, fuel cell electric vehicles, hydrogen engine vehicles, and other new energy vehicles. The following are the benefits of new energy vehicles: 1. Fuel energy conservation: New energy vehicles generally use natural gas, petroleum gas, hydrogen, or electricity as power sources, conserving fuel energy. 2. Reduced exhaust emissions: New energy vehicles produce no exhaust emissions, effectively protecting the environment. Electric vehicles do not produce tailpipe emissions and are pollution-free. Hydrogen-powered vehicles emit only water, causing no environmental pollution. Because they are essentially zero-emission, they are also exempt from traffic restrictions based on license plate numbers. 3. High efficiency: New energy vehicles generally adopt new technologies and structures, making them more efficient.

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Family Choice: SUV or Sedan?

If the car owner mainly commutes in the city, values business suitability and economy, then a sedan would be more suitable. If the owner prefers spaciousness, frequently travels outdoors, and pursues high practicality, then an SUV is the better choice. This is because sedans have unique advantages in terms of comfort, handling, and fuel efficiency, while SUVs perform better in terms of off-road capability, passability, and space. Below is an introduction to buying a car in full payment versus installment: 1. Full payment: Buying a car in full payment generally does not incur extra fees, such as service charges or deposits, making it relatively more cost-effective. However, the economic pressure of a one-time payment is also significant, and most families cannot afford it. 2. Installment payment: Installment payment is now the most common method of purchasing a car. After signing a car loan agreement with the bank, it usually involves 36 months of monthly payments. After paying the down payment for the car, the monthly installments are paid month by month. This stage will generate corresponding interest costs, so the overall price of the car will be higher, but the economic pressure is relatively smaller.

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Are 225 or 235 tires better?

Tires with a width of 235 are better. The 225 tires have poor shock absorption, making the road feel harder, and they require better suspension damping effects; otherwise, the car may shake. The 235 tires provide better grip on the road, offering stronger driving comfort for the owner. Below are the functions of car tires: 1. Support the entire weight of the vehicle: Car tires support the full weight of the vehicle, bear the load of the car, and transmit forces and moments in other directions. 2. Improve vehicle performance: Car tires transmit traction and braking torque to ensure good adhesion between the wheels and the road, enhancing the car's power, braking, and off-road capability; they work together with the car's suspension to mitigate shocks during driving and dampen the resulting vibrations. 3. Prevent early damage to car components: Car tires protect car components from severe vibrations and early damage, adapt to the vehicle's high-speed performance, reduce driving noise, and ensure driving safety, handling stability, comfort, and fuel economy.

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How to Remove the Spare Tire of Changan Oshan X7?

Changan Oshan X7's spare tire is located under the chassis. To remove it, simply unscrew the fixing bolts and take down the spare tire. Additionally, tools to assist in the installation and removal of the spare tire can also be taken off together. The Changan Oshan X7 is a compact SUV developed by Changan Oshan Auto, positioned as an urban premium SUV. In terms of body dimensions, the Changan Oshan X7 measures 4705mm in length, 1860mm in width, and 1720mm in height, with a wheelbase of 2780mm. The Changan Oshan X7 is equipped with the OnStyle 2.0 Oshan Intelligent Connectivity System, featuring a 5G-enabled smart car chip, the IMX8 smart car chip, a long-distance video system, ultra-high-definition 360-degree panoramic imaging, ultra-high-definition surround-view driving recorder, and a fully automatic parking system.

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What is the tire pressure?

Typically, the inflation pressure for household car tires ranges from 0.2 to 0.25MPa. The standard tire pressure for ordinary cars is best set as follows: in winter, the front tires should be at 2.5kg, and the rear tires at 2.7kg. In summer, the front tires should be at 2.3kg, and the rear tires at 2.5kg. This ensures both safe driving and comfort while minimizing fuel consumption. Below are the hazards of excessive tire pressure: 1. Reduced tire friction and adhesion, affecting braking performance; 2. Causes steering wheel vibration and deviation, reducing driving comfort; 3. Accelerates wear on the central tread pattern, shortening tire lifespan; 4. Increases body vibration, indirectly affecting the lifespan of other components; 5. Overextends the tire cords, reducing elasticity and increasing the load on the car while driving; 6. Decreases resistance to punctures. When encountering sharp objects like nails or glass on the road, they can easily penetrate the tire, leading to internal cracks, blowouts, and ultimately a tire burst.

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What is the actual fuel consumption of Cadillac?

Cadillac's actual fuel consumption is around 12L per 100 kilometers. The following are related tips for reducing car fuel consumption: 1. Regular vehicle maintenance or tire pressure checks: Timely oil changes during maintenance can reduce carbon deposits. 2. Maintain appropriate speed: Try to maintain a steady speed while driving, avoiding sudden braking and overtaking. Additionally, keeping a proper distance from other vehicles can prevent situations where you have to brake hard and accelerate sharply, thereby reducing fuel consumption. 3. Open windows at low speeds: When driving at low speeds, you can open the side windows to reduce wind resistance. 4. Plan your route before departure: Planning your route in advance can save fuel. Driving just one extra kilometer daily can add up to three liters of gasoline per month on average. 5. Avoid prolonged idling: Warming up your car before driving is a good habit, but idling for three to five minutes before moving not only wastes time and fuel but can also damage the car. Therefore, limit the warm-up time to no more than one minute.

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What does the small wrench icon on a car's dashboard mean?

What are the energy sources for new energy vehicles?

Family Choice: SUV or Sedan?

Are 225 or 235 tires better?

How to Remove the Spare Tire of Changan Oshan X7?

What is the tire pressure?

What is the actual fuel consumption of Cadillac?

Why Are Used Roewe 350 Cars So Cheap?

What are the reasons for the fuel pump not receiving power when turning the ignition key?

How Long Does It Take for Fuel Consumption to Return to Normal After Carbon Deposit Cleaning?

What Causes Deep Scratches on Brake Discs?