How Many Kilometers is Considered the Break-in Period for a Car?

Can the negative terminal of a car be arbitrarily grounded?

Car negative terminal cannot be arbitrarily grounded. Function of grounding wire: It uses the iron parts of the car to conduct electricity, thereby saving a wire. Grounding means connecting one of the DC electrodes (positive or negative) to the iron body of the car, while the other electrode forms a circuit through the wiring and electrical equipment. This is the function of grounding. Grounding fault: Grounding fault is a term in circuit troubleshooting, commonly seen in the automotive repair industry. A grounding fault refers to the phenomenon in the electrical equipment circuit of a car where a non-grounded wire (or terminal) directly contacts the car frame, causing the power source to form a short circuit between positive and negative poles at this point. A minor grounding fault can cause car leakage, resulting in battery depletion, while a severe grounding fault can damage the power source (including the battery and generator), burn out the wiring, or even cause a fire.

11

5

Share

Is There Any Harm in Putting Grapefruit Peel in the Car?

Putting grapefruit peel in the car is not harmful. Open the car windows more for ventilation: Before driving, choose a sunny day, open all the car doors, and let them air out for 2-3 hours while ventilating. Clean the interior and organize the items inside to keep it tidy and neat. Use charcoal or bamboo charcoal to remove odors: Activated carbon has rich capillaries and strong adsorption properties. When toxic gases come into contact with activated carbon, they are adsorbed onto the capillaries, purifying the air. It doesn’t take up much space and is harmless, providing clean air in the car for a long time. Regularly clean the air conditioner: Due to seasonal changes and environmental factors, air conditioners can easily breed bacteria and viruses. If not cleaned regularly and the air filter is not replaced in time, they may release toxic or germ-laden gases. Inhaling these can lead to illnesses. Car air purifiers: Currently, technologies mainly include plasma, negative ions, negative oxygen ions, and adsorption. The higher the clean air delivery rate, the more efficient the purifier is.

16

4

Share

How to Turn Off the Daytime Running Lights on a Bora?

Here are the steps to turn off the daytime running lights on a Bora: 1. Insert the car key and turn it to the position where only the radio can be used. Pull the switch on the left side of the combination switch towards the driver's direction and simultaneously pull it downwards. Hold it in this position without releasing. 2. Turn on the car key. After about 3 seconds, you will hear a "dong" sound, indicating that the operation was successful. The functions of daytime running lights are as follows: 1. Daytime running lights are designed to make the vehicle more noticeable during daytime driving. Their purpose is not to help the driver see the road better but to inform others that a vehicle is approaching. Therefore, these lights are not for illumination but serve as signal lights. 2. While adding daytime running lights can make a car look cooler and more stylish, their primary benefit lies not in aesthetics but in enhancing the vehicle's visibility. Studies abroad have shown that using daytime running lights can reduce vehicle accidents by 12.4% and lower the fatality rate in car crashes by 26.4%.

2

0

Share

What is the displacement of the Passat 330tsi?

The SAIC Volkswagen Passat 330tsi has a 2.0T displacement. Displacement refers to the volume of fluid inhaled or expelled per stroke or cycle. Volkswagen initially used TSI to indicate engine displacement, where T stands for turbocharged engine, and SI represents the direct fuel injection method. If only the I in the car's rear badge is red, it indicates the car's engine has a 1.4T displacement. The Passat 330tsi is equipped with a 2.0T turbocharged engine, with a maximum horsepower of 186ps, a maximum torque of 320nm, and a maximum power of 137kw. It is paired with a 7-speed automatic transmission. Generally, the model designation represents the engine displacement. The 280, 330, and 380 models each represent different displacements to better reflect the car's engine size. The 280 base configuration comes with a 1.4T engine, available in both high and low power versions, while the 380 base configuration features a 2.0 engine with the highest power. However, the low-power version would be the Passat 330's 2.0T engine, still maintaining a 2.0T displacement. These designations are common for this model series, effectively indicating the engine's displacement.

2

4

Share

What is the fuel consumption of Changan Oushang X7?

Changan Oushang X7 has a fuel consumption of 7.4 liters per 100 kilometers. The vehicle's fuel consumption is related to road conditions, driving habits, driving environment, vehicle load, etc. The actual fuel consumption level during driving may vary due to the driver's driving habits, driving environment, and road conditions. Generally, a fluctuation of around 10% above or below the average fuel consumption range is normal. Here are some methods to reduce fuel consumption: 1. Check the air conditioning system in summer. Air conditioning malfunctions are a significant cause of high fuel consumption. Poor cooling performance of the air conditioning system may require increasing the fan speed and lowering the temperature to achieve a cooling effect. 2. Frequent sudden braking. Frequent sudden braking is the main reason for high vehicle fuel consumption. While ensuring safe driving, make full use of the vehicle's inertia. 3. Avoid setting the air conditioning too high for small-displacement vehicles. For vehicles exposed to the sun, it is not advisable to turn on the air conditioning immediately after entering the car. First, open the windows and set the fan to a higher speed without turning on the air conditioning to expel the hot air inside the car. After the vehicle has cooled down moderately, then turn on the air conditioning.

6

2

Share

How Many Points Left on Driver's License Require a Test?

The demerit point cycle for a driver's license is 12 months. If a driver accumulates 12 or more demerit points within one cycle, the traffic management department of the public security authority shall confiscate their motor vehicle driver's license. The driver must attend a seven-day full-point study session within 15 days and then take the Subject 1 test. Below is more information about driver's licenses: 1. If a driver accumulates 12 points or more twice within one cycle or accumulates 24 points or more, they must not only pass the Subject 1 test but also take the Subject 3 test within ten days after passing. Upon passing, the demerit points will be cleared, and the motor vehicle driver's license will be returned. If a driver accumulates fewer than 12 points within one cycle, the points will be cleared once the fines are paid. However, if there are unpaid fines, the points will carry over to the next cycle. 2. Due to the long validity period of driver's licenses, some drivers may forget to renew them. Drivers should apply for renewal at the vehicle management office where the license was issued within 90 days before its expiration. If a license is not renewed for more than one year after expiration, it will be revoked. If a license is revoked for more than one year but less than two years, its normal use can be restored by passing the Subject 1 test. If revoked for more than two years, the driver must reapply for a new license.

9

3

Share

How Many Kilometers is Considered the Break-in Period for a Car?

Can the negative terminal of a car be arbitrarily grounded?

Is There Any Harm in Putting Grapefruit Peel in the Car?

How to Turn Off the Daytime Running Lights on a Bora?

What is the displacement of the Passat 330tsi?

What is the fuel consumption of Changan Oushang X7?

How Many Points Left on Driver's License Require a Test?

What are the octane ratings of 92 and 95 gasoline?

What Does the Coolant Warning Light Look Like?

Can You Directly Add Oil When the Engine Is Low on Oil?

Does the Vehicle License Contain the VIN?