Do all four tire treads need to be the same for vehicle inspection?

What could be the issue when the Baojun 630 fails to start?

Baojun 630 failing to start could be due to: 1. When starting, only the electromagnetic switch of the starter makes a 'clicking' sound, or during the first attempt, the starter slowly turns the crankshaft a few times, followed by the electromagnetic switch clicking again, but the crankshaft does not rotate. This phenomenon is usually caused by a 'broken grid' fault in the battery. 2. The car starts every time after a temporary stop, but when parked for a longer time or the next day, it only manages to turn the crankshaft once. This indicates severe self-discharge of the battery, with its plates and separators heavily aged, suggesting the battery is nearing the end of its life. 3. If the starter suddenly lacks power during startup, accompanied by a burning rubber smell or smoke from the battery area, it is mostly due to poor contact at the terminal posts or clamps, leading to overheating and damage.

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Can the car doors be locked if the trunk is not closed?

Generally, it cannot be locked. However, some vehicles can be locked in a semi-latched trunk state where the trunk is not fully closed, but the trunk sensor mistakenly confirms it as closed due to certain reasons. In such cases, the car can be locked, but safety is not guaranteed. Below are specific introductions about trunk opening methods: 1. Remote opening from outside the car. The most direct and simplest method. Some car models do not have a trunk opening button on the remote key; pressing the unlock button can unlock the trunk directly. For models equipped with a smart sensing key, pressing the trunk switch within a certain range (usually about 1 meter) can open the trunk directly. 2. Interior opening button. Most car models are equipped with a trunk opening button. The button position varies depending on different manufacturers and models, but the trunk button of the same manufacturer's cars is usually in the same location. 3. Interior opening lever. Usually located on the lower left side of the driver's seat or the lower left side of the steering wheel, marked with a car trunk icon. It is often placed together with the fuel tank cover lever.

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Is it harmful to the car to floor the accelerator from a standstill?

Flooring the accelerator is not too harmful to the car, but it will result in very high fuel consumption, and tire spinning may cause some wear. Cars are designed based on extreme acceleration or more aggressive driving conditions. When flooring the accelerator in an automatic transmission, the gearbox will have a small buffering process to protect the transmission gears. Here is some additional information: Precautions when pressing the accelerator: When starting the car and before releasing the handbrake, gently press the accelerator to test if various gauges are functioning properly. Just a quick press is enough, which is especially suitable for novice drivers to develop good car habits and remind themselves of maintenance, etc. The accelerator is generally used when upshifting to increase the vehicle's RPM, reaching the required RPM before shifting gears to prevent stalling or making strange noises.

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Should I Engage the Handbrake First or Shift to P Gear First?

It is recommended to engage the handbrake first before shifting to P gear. If parking on a flat surface, either sequence is acceptable for an automatic transmission vehicle, as neither operation will adversely affect the car. However, when parking on a slope, always engage the handbrake first before shifting to P gear. The P gear, serving as the parking position, provides a certain parking braking force. Its locking mechanism consists of a parking pawl with locking teeth and a parking gear with teeth. When shifting into P gear during parking, the pressure plate presses down, causing the locking teeth to engage and the transmission's drive wheels to lock, thereby stopping the vehicle. On slopes, avoid releasing the brake pedal first; instead, firmly engage the handbrake before shifting to P gear. If you shift directly to P gear without securing the handbrake and then release the brake, the vehicle may lurch forward or backward, making it difficult to start and shift gears again.

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What does sealing glaze mean?

There is no 'sealing axle,' but there is 'sealing glaze.' Sealing glaze involves using soft wool or a sponge with a high-speed vibration and friction from a polishing machine to forcefully penetrate the glaze molecules into the gaps of the car's paint surface, leveraging the glaze's unique permeability and adhesion properties. This process gives the paint the characteristics of glaze, enhancing both aesthetics and protection for the car's paint. After sealing glaze, the paint surface can achieve or even surpass the original factory finish, making older cars look newer and new cars appear brighter. Additionally, it provides benefits such as resistance to high temperatures, sealing, oxidation resistance, enhanced gloss, wash durability, protection against acid rain, and corrosion resistance. It also lays the foundation for future car detailing, painting, and refurbishment. Sealing glaze is akin to using toothpaste to repair scratches on a watch—through polishing, it restores and shines the paint surface, effectively renewing the car's paint.

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What should I pay attention to when buying a used car?

Pay attention to the performance of the car to avoid buying a poor-performing vehicle. When choosing a used car, be sure to tap the body and listen for any abnormal sounds, start the engine, and listen for any irregularities in the engine noise. Check the chassis and frame carefully—do not purchase if any deformation is found. After an accident, even if the car's exterior is well-repaired, its frame and chassis are often difficult to restore. Here are some additional tips: Special attention: When buying a car, inspect the exterior carefully, observing whether all corners and parts of the car have been repainted. Some used cars have been in accidents. To increase the value of these vehicles, dealers may refurbish and repaint them to make them appear newer. Therefore, check for wear on the tires, headlights, and bumper.

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Do all four tire treads need to be the same for vehicle inspection?

What could be the issue when the Baojun 630 fails to start?

Can the car doors be locked if the trunk is not closed?

Is it harmful to the car to floor the accelerator from a standstill?

Should I Engage the Handbrake First or Shift to P Gear First?

What does sealing glaze mean?

What should I pay attention to when buying a used car?

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