What are the scoring criteria for curve driving in Subject 2?

Why can't the car key be remotely controlled after replacing the battery?

After replacing the battery, the car key may not be able to be remotely controlled due to the following reasons: the remote control is damaged; the spare key has been stored for a long time, and the battery is depleted, causing the remote control to be underpowered; the battery was not installed in time after being removed during replacement; or a momentary short circuit occurred when removing or installing the battery. Below are some functions of the car key: Remote window opening function: This is a very practical hidden feature of the car key. In summer, when the car has been exposed to the sun and the windows are closed, the interior can become stuffy and emit unpleasant odors. In such cases, holding down the unlock button can open the windows for ventilation. Automatic trunk opening: The car trunk is a great place to store various items, and sometimes after parking and turning off the engine, the driver may remember something left in the trunk. The remote car key can be very useful here—holding down the trunk unlock button can open the trunk. Opening only the driver's door: Sometimes, the car may be parked in a crowded area, and using the remote key to unlock all doors can pose a certain risk. However, when only the driver is in the car, the remote key can be used to open only the driver's door.

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Can You Make a U-Turn When the Left-Turn Signal Is Red?

Whether you can make a U-turn when the left-turn signal is red depends on whether there is a no-left-turn sign at the intersection and whether there is a no-U-turn sign at the gap. The following are detailed explanations: No-left-turn sign at the intersection: If there is a no-left-turn sign at the intersection, you cannot make a U-turn when the left-turn signal is red; if there is no no-left-turn sign at the intersection, you can make a U-turn when the left-turn signal is red. No-U-turn sign at the gap: Before reaching the stop line, if there is a dashed-line gap in the middle of the road, you can make a U-turn as long as there is no no-U-turn sign at the gap. If there is a no-U-turn sign or a solid line at the gap, you must proceed to the stop line position to make a U-turn. When making a U-turn, be careful not to cross the intersection stop line or the central solid yellow line, and the very important prerequisite is not to affect the passage of vehicles and pedestrians. When making a U-turn, you must yield to oncoming vehicles. If you do not follow the regulations, you will be fined and deducted 3 points.

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Does Tire Pressure Drop in Cold Weather?

Tire pressure does drop in cold weather. As temperatures decrease, the air inside the tires is affected by the temperature, leading to a reduction in tire pressure. In cold weather, it's advisable to slightly increase the tire pressure of car tires. Based on the standard tire pressure, it should be appropriately raised by about 0.2 bar. Hazards of Low Tire Pressure: Increased friction coefficient with the road surface, leading to higher fuel consumption; Causes the steering wheel to feel heavy and may lead to deviations, which are factors detrimental to driving safety; Increases the movement of various parts of the tire, causing abnormal heating due to excessive rolling; Reduces the functionality of the cord and rubber, leading to delamination or cord breakage, and excessive friction with the rim causing damage to the bead area and abnormal wear; The friction between the tire and the ground increases significantly, causing a sharp rise in tire temperature, softening of the tire, and a rapid decrease in strength. High-speed driving under these conditions may result in a tire blowout; Increases tire body deformation, making the tire side prone to cracks, and generates flexing movements, leading to excessive heat, promoting rubber aging, fatigue of the cord fabric layer, and cord breakage. It also increases the tire's contact area with the ground, accelerating shoulder wear.

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What rare metals are contained in a three-way catalytic converter?

A three-way catalytic converter can extract precious metals such as platinum (Pt), rhodium (Rh), and palladium (Pd), while the substances used in the catalyst coating are rhodium nitrate, palladium nitrate, and platinum nitrate. Composition of a three-way catalytic converter: A three-way catalytic converter generally consists of four parts: the shell, damping layer, substrate, and catalyst coating. Shell: Made of stainless steel to prevent oxide scale from falling off, which could clog the substrate. Damping layer: Composed of a gasket or wire mesh pad, it serves to seal, insulate, and secure the substrate. To protect the substrate from damage caused by vibration, thermal deformation, and other factors, the gasket is made of expanded mica and aluminum silicate fibers, bonded together with an adhesive. Substrate: Made of honeycomb-shaped ceramic material, though many also use metal (including stainless steel) materials. Catalyst: Composed of precious metals such as platinum, rhodium, and palladium, sprayed onto the substrate to form the purifying agent. Lifespan of a three-way catalytic converter: The lifespan of a three-way catalytic converter is generally between 80,000 to 100,000 kilometers. The actual lifespan depends on the vehicle's usage conditions, and it is also influenced by the quality of fuel used and the driving environment.

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What do GSXY represent as road numbering codes?

GSXY respectively represent the road numbering codes for National Highway (G), Provincial Highway (S), County Road (X), and Township Road (Y). Here are the detailed explanations: National Highway (G): The letter 'G' stands for National Highway, referring to major trunk roads with national political, economic significance as well as international and national defense importance. National Highways begin with an uppercase 'G' followed by three digits. If the first digit is '1', it indicates a radial National Highway centered around Beijing; if the first digit is '2', it represents a north-south oriented National Highway; if the first digit is '3', it denotes an east-west oriented National Highway. Provincial Highway (S): The letter 'S' stands for Provincial Highway, indicating trunk roads with provincial political, economic, and national defense significance. Provincial Highways begin with an uppercase 'S' followed by three digits. If the first digit is '1', it represents a radial Provincial Highway starting from the provincial capital; if the first digit is '2', it indicates a north-south oriented Provincial Highway; if the first digit is '3', it denotes an east-west oriented Provincial Highway. County Road (X): The letter 'X' stands for County Road, referring to roads with county (or county-level city) political and economic significance. County Roads are composed of three digits. Township Road (Y): The letter 'Y' stands for Township Road, referring to rural roads with a width of approximately 3 meters. Township Roads are composed of three digits.

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How many kilometers should the brake pads of Nissan Tiida be replaced?

Nissan Tiida brake pads should be replaced every 50,000 kilometers. The method for replacing brake pads is as follows: 1. Before replacing the brake pads, open the cover of the brake fluid reservoir in the engine compartment and check the brake fluid level. If the brake fluid level is above the maximum limit, some should be sucked out to prevent overflow during the replacement process; 2. Prepare the new brake pads to be replaced and remove the wheel where the brake is located. Be careful to avoid scratching the rim during the removal process; 3. Use a wrench with a socket to remove the bolts of the brake caliper, then take out the brake pads. If there is a brake sensor line, remove it first. Check if the brake pads are excessively worn or cracked, and proceed to the next step of replacement if necessary; 4. Since the brake caliper may have a lot of sand or dirt, clean it thoroughly with a cloth and apply anti-noise paste to prevent noise during braking; 5. Use a piston press pump to press the piston to its limit, then install the new brake pads onto the brake caliper. After installing the new brake pads, reattach the brake sensor line if present, and tighten the guide bolts to complete the installation; 6. After installation, cover the reservoir cap, get into the car, and press the brake pedal several times to reset the brake. Then check the brake fluid level to ensure it is within the appropriate range; 7. After replacement, test drive the car to check if the braking effect is achieved.

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What are the scoring criteria for curve driving in Subject 2?

Why can't the car key be remotely controlled after replacing the battery?

Can You Make a U-Turn When the Left-Turn Signal Is Red?

Does Tire Pressure Drop in Cold Weather?

What rare metals are contained in a three-way catalytic converter?

What do GSXY represent as road numbering codes?

How many kilometers should the brake pads of Nissan Tiida be replaced?

Why Shouldn't You Coast a Car in Neutral Gear?

How many kilometers can a run-flat tire travel after a puncture?

What are the contents of Subject 1 and Subject 4?

What is the minimum ground clearance of the Lynk & Co 03?