Should I Shift to N Gear and Engage the Handbrake When Parking?

What does the small wrench displayed on the car dashboard mean?

When a small wrench is displayed on the car dashboard, it indicates that the vehicle requires maintenance. The maintenance items include: 1. Replacement of engine oil, oil filter, air filter, and fuel filter; 2. Inspection of the body and tires; 3. Inspection of the braking system; 4. Inspection of the chassis for any damage. The benefits of maintenance are: 1. Ensuring the vehicle remains in excellent performance condition; 2. Improving the vehicle's efficiency and reducing wear on its parts and tires; 3. Enhancing driving safety; 4. Preventing potential hazards caused by vehicle issues; 5. Reducing noise and environmental pollution; 6. Keeping the vehicle's appearance clean and preventing damage.

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How to Completely Power Off a Car?

To completely power off a car, use a wrench to disconnect the wires at both ends of the battery. Before disconnecting, wear protective goggles and gloves, and locate the positive and negative terminals of the battery, usually marked with a plus (+) and minus (-) sign. Methods to check if the battery has power include: 1. Inspect the battery's charge indicator; 2. Measure the battery's static voltage; 3. Check the battery fault light; 4. Observe if the dashboard flickers or dims when starting the car; 5. Look for signs of battery swelling, deformation, oxidation, or leakage. The functions of the battery are: 1. Powering the engine starting system, ignition system, and car electronics; 2. Supplying power to car electrical devices when the engine is off or at low idle; 3. Assisting in power supply when electrical demand exceeds the generator's capacity; 4. Acting as a voltage stabilizer for the entire electrical system, mitigating voltage spikes and protecting the car's electronic devices.

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What Are the Functions of Automotive Fuel Additives?

Automotive fuel additives serve the following purposes: 1. Remove carbon deposits and clean the fuel system; 2. Enhance engine performance; 3. Improve atomization and increase thermal efficiency; 4. Provide anti-corrosion, anti-rust, and lubrication protection for the engine; 5. Reduce noise and wear, extending engine lifespan; 6. Eliminate black smoke and lower emissions. The method for adding fuel additives is as follows: 1. Before adding the fuel additive, check the fuel level in the tank—only add the additive when refueling is needed; 2. Park the car near the fuel pump and open the fuel cap; 3. Open the fuel additive bottle cap and pour it into the fuel tank; 4. Fill the tank with gasoline to help disperse and mix the additive with the fuel.

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What are the precautions for car interior cleaning?

Precautions for car interior cleaning are: 1. For cleaning fabric parts, do not use a brush to scrub. Simply spray foam, wait for one minute, and then wipe clean; 2. When cleaning the dashboard, be careful not to spray too much foam at once. Use a soft-bristle brush to clean the sprayed areas; 3. Do not mix interior cleaning products; 4. For leather parts, use leather cleaner and polish or foam cleaner; 5. For plastic parts, spray foam directly, then scrub with a brush and wipe clean with a damp cloth; 6. For dashboard parts with leather or piano lacquer finishes, avoid applying too much force when using a soft-bristle brush to prevent scratching the interior.

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Should Car Heating Use Internal or External Air Circulation?

Whether to use internal or external air circulation for car heating depends on different situations: 1. Use internal circulation for short-distance driving; 2. Use external circulation for long-distance driving. Internal and external circulation respectively refer to: 1. Internal circulation means the air conditioning system is closed to outside air and can only circulate the air inside the car cabin; 2. External circulation means the car air conditioning system is open to outside air and draws in outdoor air for circulation. The method to turn on the heating is: 1. Locate the air conditioning control buttons at the display position in the cockpit; 2. Click the off button on the air conditioning control panel to activate the vehicle's air conditioning; 3. Press the air conditioning button to turn off the car's cooling function; 4. Rotate the temperature setting knob to the desired temperature to activate the heating.

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What to Do When a Car Drives Through Water

When a car drives through water, you should: 1. Stay calm and turn off the ignition; 2. Disconnect the negative terminal of the battery to prevent short circuits in the vehicle's electrical components due to water ingress; 3. Move the vehicle to a safe location; 4. Check if water has entered the engine cylinders; 5. Inspect the condition of various fluid systems in the vehicle; 6. Clean the fuse box, sensor connectors, and areas where water has accumulated in the body. The potential impacts of driving through water include: 1. Reduced engine power and shaking issues; 2. Moisture or water ingress causing short circuits in the high-voltage distribution system; 3. Water entering the exhaust pipe; 4. Residual water preventing full friction between brake discs and pads, leading to loss of braking power; 5. Debris easily sticking to chassis gaps, causing rust; 6. Fog forming inside headlights, affecting light transmission; 7. Wet wiring harnesses and circuit interfaces in the engine compartment causing short circuits.

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Should I Shift to N Gear and Engage the Handbrake When Parking?

What does the small wrench displayed on the car dashboard mean?

How to Completely Power Off a Car?

What Are the Functions of Automotive Fuel Additives?

What are the precautions for car interior cleaning?

Should Car Heating Use Internal or External Air Circulation?

What to Do When a Car Drives Through Water

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