What are the differences between the Mercedes-Benz CLA and the Mercedes-Benz C-Class?

What to Do When Car Windows Fog Up in Cold Weather?

Press the defogging button, turn on the air conditioning (A/C) switch, set the temperature to the lowest, and switch to external circulation to defog. Both cold and warm air can be used to defog car windows, but warm air is slower than cold air. The most effective method is to use cold air, which blows dry cold air directly onto the glass, preventing water vapor from condensing on the glass and achieving defogging. The method for warm air defogging is the same as cold air defogging, but note that warm air should not be used on rainy days as it may initially worsen the fog. Always use external circulation when defogging car windows. The reasons for car window fogging: There is a temperature difference between the inside and outside of the car. If the temperatures inside and outside the car are different, the surface with the lower temperature will have a lower saturation vapor pressure than the surrounding environment, causing water vapor to gather on the glass surface in the form of tiny droplets, forming fog. Methods to defog car windows: Air Conditioning Cooling: Use the air conditioning's dehumidification function to reduce air humidity and remove fog. In summer, especially when multiple people enter the car, if the air conditioning is not turned on promptly, the high humidity from exhaled breath can quickly cause the windshield to fog up. In this case, turn on the air conditioning to blow cold air onto the windshield, using the dehumidification function to remove the fog quickly. If the humidity is too high and the air conditioning is not effective, slightly open a window to rapidly reduce the humidity inside the cabin. Combining this with the air conditioning can speed up the process. Air Conditioning Heating: Use the method of reducing the temperature difference to remove fog. In winter, blowing warm air onto the glass quickly raises the temperature of the front glass, reducing the temperature difference between the inside and outside surfaces of the window, thereby preventing heavy fogging on the windshield. However, note that the rear and side windows heat up more slowly, so it takes longer to remove all the fog. Whether the air conditioning is automatic or manual, turning it on helps with dehumidification. Avoid setting the temperature to the coldest position, as prolonged use may cause the outer surface of the windshield to fog up. Spraying Anti-Fog Agents for Prevention: Spray a small amount of defogging agent onto the car windows and wipe it clean to remove dirt and stains. While polishing the glass, a thin transparent protective film forms, effectively preventing water vapor from condensing on the glass and forming fog. This is especially useful in cold winters. Alternatives to defogging agents include dish soap, soapy water, glycerin, alcohol, or saltwater. After applying, let it dry and then wipe off excess residue with chamois or a soft dry cloth. This can keep the windows fog-free for several days. Opening Windows for Airflow: If the fog inside the car is not heavy, open the side windows to create airflow between the inside and outside of the car, reducing the temperature difference and gradually dissipating the fog. The principle of this method is the same as using cold air from the air conditioning. However, opening windows has obvious drawbacks and cannot be used during rain, snow, on highways, or when the fog is heavy. Rear Window Heating: Most cars have a rear window heating function, though the button location may vary. Turn on the rear window heating switch, and the fog on the rear window will disappear in about a minute.

18

3

Share

What are the new vehicle inspection regulations?

New regulations for vehicle annual inspections are as follows: For non-operational small and mini passenger vehicles (excluding minivans) over 6 years but less than 10 years old, the inspection cycle has been relaxed from annual inspections to biennial inspections. On the basis of exempting non-operational small passenger vehicles with 6 seats or less from inspections within 6 years, the exemption scope has been further expanded to include non-operational small and mini passenger vehicles with 7-9 seats (excluding minivans) within 6 years. Three new items have been added to vehicle annual inspections: New tire tread depth inspection: Under the new standards, tire inspections will require the use of a tire tread depth gauge. If the tires are severely worn and the depth does not meet the standards, the vehicle will not pass the annual inspection. New vehicle wheelbase inspection: This involves measuring whether the vehicle's current wheelbase matches the factory data. This regulation primarily aims to prevent some vehicle owners from privately lengthening or shortening the wheelbase to increase interior luxury space or enhance power and off-road performance. New vehicle lifting device: Compared to inspecting the vehicle chassis from a pit, the addition of a lifting device allows for a clearer observation of various components of the vehicle chassis. With this device, the chassis and most components can be thoroughly inspected to promptly identify any issues.

10

5

Share

How Many Liters of Oil Does a Car Need for an Oil Change?

The amount of oil needed for a car oil change should be maintained between the upper and lower marks on the dipstick, with the specific volume varying depending on the vehicle model. If too much oil is added, the excess can be drained at an auto repair center to prevent oil leakage. Relevant information is as follows: Common barrel oil volumes are roughly divided into 1 liter, 4 liters, 5 liters, etc. For most household cars, an oil change typically requires about 3.5-5.0 liters, while larger displacement models, such as 6-cylinder engines, require more. At the tip of all oil dipsticks, there is a small section distinctly different from other marked areas—some have small round holes, while others have marked lines. Regardless of the representation method, the optimal oil level should be maintained between the two marked lines, ideally not below the middle mark.

5

Share

What is the reason for the ABS yellow light on the dashboard?

ABS light can indicate various conditions, each with different causes and solutions as follows: Condition 1: ABS warning light stays on constantly (most common). Cause 1: The ABS wheel speed sensor's sensing area is covered by mud, sludge, or other contaminants, affecting its ability to detect wheel speed signals. This prevents the ABS computer from determining vehicle speed or wheel slip rate, thus failing to issue appropriate braking commands. Solution: Clean the contaminants from the wheel speed sensor and adjust the gap between the sensor and the tone ring to restore normal function. Cause 2: Loose connections between system circuits or poor contact in ABS relays causing signal issues. Solution: Inspect all wiring connections and reconnect any loose parts. Condition 2: ABS warning light intermittently illuminates, but turns off during acceleration. Cause: When multiple electrical components are in use, battery voltage drops below 10.5V. The light extinguishes when engine speed increases and voltage rises. Possible low voltage supply to ABS system due to poor connections or grounding issues. Solution: Check battery specific gravity; inspect charging system; examine power supply (voltage relays or poor power connections). Condition 3: ABS warning light remains on after engine start until engine is turned off. Cause: Poor grounding connection of ABS hydraulic valve body; faulty wiring connections in hydraulic valve body; ABS computer malfunction. Solution: Loosen and retighten hydraulic valve body ground screw, clean contact surfaces if necessary; check for enlarged connector gaps; replace ABS or ABS/ASR computer if needed. Condition 4: ABS warning light illuminates during high-speed driving. Cause: ABS computer detects significant speed difference between front and rear wheels; incorrect tire or wheel rim specifications. Solution: Verify correct tire and wheel rim specifications as indicated on fuel filler door sticker. Condition 5: ABS warning light flashes intermittently. Cause: Improper brake light switch adjustment; internal contact issues in brake lights. Solution: With engine running, depress brake pedal and manually push switch linkage downward, then release pedal to reset position; replace brake light switch if necessary. When ABS warning light is on, continued driving is not recommended as it indicates anti-lock braking system malfunction. During emergency braking, locked wheels may cause loss of vehicle control and skidding, preventing proper deceleration or trajectory adjustment, creating significant safety hazards.

17

1

Share

Can I still retrieve my car after it has been impounded by traffic police for three years?

Can I still retrieve my car after it has been impounded by traffic police for three years? The specific explanation is as follows: The traffic management department of the public security authority shall issue a receipt on the spot when impounding motor vehicles or non-motor vehicles and inform the parties involved to report to the traffic management department of the public security authority for handling within the specified time limit. The traffic management department of the public security authority shall properly keep the impounded vehicles and shall not use them. Relevant information is introduced as follows: The basis for traffic police to impound vehicles in the event of an accident is Article 72 of the Road Traffic Safety Law. For the purpose of collecting evidence, traffic police may impound the vehicles involved in the accident but shall properly keep them for verification. If it is necessary to conduct inspection and appraisal of the vehicles, the traffic police will entrust a qualified appraisal institution to conduct technical appraisal within three days after the on-site investigation is completed. The time limit for completing this appraisal shall not exceed 20 days. If it exceeds 20 days, approval from the higher-level traffic management department of the public security authority is required, and the maximum time limit shall not exceed 60 days.

2

4

Share

Why Are Hybrid Cars Not Holding Their Value?

Hybrid cars do not hold their value for the following reasons: 1. Immature hybrid technology: Although Toyota has long been regarded as a leader in hybrid technology, and its achievements in recent years are indeed remarkable, Toyota's hybrid dual-engine technology is only popular in overseas markets. In the domestic market, hybrid cars often face a generational gap, with sales and brand perception not aligning with Chinese driving habits. Moreover, the technology has only emerged in the past couple of years and still requires time for market validation. 2. High price: Generally, hybrid versions of cars are nearly twice as expensive as their conventional fuel counterparts, and even now, they remain about 20% more expensive overall. Despite manufacturers' concessions, the price difference still makes many people feel that hybrid cars are too 'hot to handle.' 3. High maintenance costs: Like pure electric vehicles, hybrid cars also suffer from battery lifespan and capacity degradation issues. Automakers offer free battery cell replacements when the battery capacity falls below 80%, but this warranty only applies to the original owner. For second-hand car owners, there is no battery warranty, which inevitably makes used hybrid cars harder to sell.

7

4

Share

What are the differences between the Mercedes-Benz CLA and the Mercedes-Benz C-Class?

What to Do When Car Windows Fog Up in Cold Weather?

What are the new vehicle inspection regulations?

How Many Liters of Oil Does a Car Need for an Oil Change?

What is the reason for the ABS yellow light on the dashboard?

Can I still retrieve my car after it has been impounded by traffic police for three years?

Why Are Hybrid Cars Not Holding Their Value?

Does running the air conditioner without driving the car have any impact?

Can the car be driven when the water temperature gauge shows 0 upon startup?

What does A/C mean?

How wide is a car with a width of 1850 including the rearview mirrors?