What are the differences between Audi S4 and Audi A4?

What does the wrench light in the car mean?

The wrench light in the car indicates that the vehicle has reached its maintenance interval, reminding the owner that it's time for maintenance. The benefits of maintenance include: 1. Ensuring the vehicle operates in optimal condition; 2. Improving vehicle efficiency and reducing wear on parts and tires; 3. Enhancing driving safety; 4. Preventing potential hazards caused by vehicle issues; 5. Reducing noise and environmental pollution; 6. Maintaining a clean vehicle appearance and preventing damage. Maintenance tasks include: 1. Changing engine oil, oil filter, and cleaning the air filter, while inspecting the generator belt and wiper blades for damage; 2. Checking the levels of various fluids; 3. Inspecting tire pressure and looking for uneven wear, bulges, or damage; 4. Examining the car's chassis, including brake pads, brake discs, connecting rods, ball joints, and CV joints for any scratches; 5. Verifying the functionality of all switches and lights in the vehicle.

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What does the full vehicle theft insurance mean?

It is a type of vehicle insurance that compensates for losses when the vehicle is robbed, stolen, damaged, or when important components are lost. This insurance covers up to 80% of the total loss amount each time. For newly purchased vehicles, it is highly recommended to have this insurance. More details are as follows: 1. Compensation standards for full vehicle theft insurance: After purchasing the full vehicle theft insurance, if the vehicle is lost and the local public security authorities file a case but fail to locate the vehicle within three months, the insurance company will compensate 80% of the loss amount. If the vehicle is recovered, the insurance company will also cover the repair costs, provided these costs are within a reasonable range. Currently, full vehicle theft insurance is considered one of the four major types of insurance. 2. The annual premium for full vehicle theft insurance varies: The premium for the first year is calculated based on the new vehicle price, while the premium for the second year is adjusted. The insurance amount is determined after accounting for vehicle depreciation, as the value of the vehicle decreases each year and cannot be insured at the original price.

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Can a tire with a nail puncture still be used if it's not leaking air?

Generally, the tread of a tire is relatively thick. If a nail punctures the tread, you can pull it out and apply some soapy water to the puncture site to check for bubbles. If bubbles appear, it indicates that the tire is damaged and should not be used, as it can easily lead to safety accidents. Below are some related tips on car tire maintenance: 1. Regularly check tire pressure: Inflate underinflated tires promptly to maintain consistent tire pressure. Otherwise, it can cause rapid wear of low-pressure tires, increase driving resistance, raise fuel consumption, and lead to issues like directional deviation. 2. Avoid hitting obstacles: When driving at high speeds, hitting obstacles such as potholes can cause severe compression deformation between the obstacle and the tire near the rim flange. This can damage the tire's inner fabric cords, leading to air leakage from broken cords and the formation of bulges. In severe cases, it can cause the tire sidewall to rupture, resulting in sudden air loss.

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Can I still choose a license plate at the DMV after selecting one online?

You can go to the DMV to choose a license plate after successfully selecting one online. Once the online selection is successful, the selected plate number will be reserved for three working days starting from the next day. You can visit the DMV office to choose a plate after these three working days. Online self-selection rules: If you do not register the plate within three working days, it will automatically become invalid. There are two opportunities for online self-selection. After invalidation, you must wait for the system to refresh the data before you can re-enter the selection process. If you abandon the online self-selection, you can choose a plate number on-site at the DMV. Method for online selection: Log in to the Traffic Management 12123 APP, find the [New Vehicle Plate Selection] option in the [Service Center], and click to enter. In the basic information section, select and confirm the city for plate registration, then click [Confirm Information]. The system will then pop up a service notice dialog box. After reading carefully, click [Read and Agree]. In the vehicle information section, enter relevant details, including the certificate number, vehicle brand, and chassis number, then click [I Confirm the Information is Correct]. The system will pop up a verification code input box. Send an SMS to obtain the verification code, enter it, and click [Confirm]. After confirming the basic vehicle information, proceed to the pre-selection plate stage. Click [Start Selection], then obtain and enter the mobile verification code, and click [Next]. There are two methods for new vehicle plate selection: random selection and self-composed selection. There is no specific order for these two methods, but it is recommended to try random selection first. If you cannot find a satisfactory plate, then proceed with self-composed selection. After completing the selection, the system will prompt you to register at the DMV within the specified time. Otherwise, the selected plate will become invalid, and you will be unable to select a plate online for two years.

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Are Vehicle Inspection Stations Open on Saturdays and Sundays?

Vehicle inspections cannot be conducted on weekends. According to national regulations, inspection stations operate from 9:00 AM to 5:00 PM on regular workdays and are closed on Saturdays, Sundays, and public holidays. Documents required for vehicle inspection: Original vehicle registration certificate, driver's license, original copy of compulsory traffic insurance, proof of vehicle and vessel tax payment, and ID card. Please note that all documents must be valid. Vehicle inspection cycles: Commercial passenger vehicles must be inspected annually for the first 5 years, and every 6 months thereafter. Trucks and large/medium non-commercial passenger vehicles must be inspected annually for the first 10 years, and every 6 months thereafter. Small and mini non-commercial passenger vehicles must be inspected every 2 years for the first 6 years, annually thereafter, and every 6 months after 15 years. Motorcycles must be inspected every 2 years for the first 4 years, and annually thereafter. Tractors and other vehicles must be inspected annually. Commercial vehicles that pass the safety inspection within the specified period do not need to repeat the inspection. Consequences of overdue vehicle inspection: Vehicles that fail to undergo inspection on time not only compromise road safety but also subject the driver to a fine and 3 demerit points according to the Road Traffic Safety Law. For any traffic accidents caused by vehicles that have not undergone the annual inspection on time, the responsible party will bear full or primary liability, and the insurance company will not be liable. This is because the insurance policy specifies that vehicles with overdue inspections are excluded from coverage. Particularly, according to the Compulsory Scrapping Standards for Motor Vehicles, vehicles that fail to obtain an inspection certificate for three consecutive inspection cycles after the expiration of the inspection period will be forcibly scrapped.

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What does it mean when the ABS warning light comes on in a vehicle?

When a car displays ABS, it indicates a malfunction in the vehicle's anti-lock braking system. If the wheels lock up during emergency braking, the vehicle may lose control and skid, preventing the driver from slowing down or adjusting the vehicle's trajectory, which poses significant safety risks. There are several states in which the ABS light may illuminate, each with different causes and solutions, as detailed below: State 1: ABS warning light stays on continuously (most common). Cause 1: The ABS speed sensor's sensing area is covered by dirt, mud, or other contaminants, affecting the sensor's ability to detect the corresponding speed signal. This prevents the ABS computer from determining the vehicle's speed and the wheel slip rate, thus failing to issue appropriate commands to regulate braking. Solution: Clean the dirt from the speed sensor and adjust the gap between the speed sensor and the signal ring to restore normal function. Cause 2: Poor signal transmission due to loose connections between system wires or poor contact in the ABS relay, leading to system failure. Solution: Inspect wire connections and reconnect any loose parts. State 2: ABS warning light intermittently illuminates but turns off when accelerating. Cause: When multiple vehicle electrical devices are in use, the battery voltage may drop below 10.5V. As the engine speed increases and voltage rises, the ABS warning light turns off. This may also occur if the ABS system's power supply voltage is too low due to poor terminal contact or grounding issues. Solution: Check the battery's specific gravity; inspect the charging system; examine the power supply (e.g., voltage relay or poor power contact). State 3: ABS warning light stays on after engine start and only turns off when the engine is turned off (IGFF). Cause: Poor grounding contact in the ABS hydraulic valve body; poor contact in the ABS hydraulic valve body's wire connector; ABS computer malfunction. Solution: Loosen and then retighten the grounding screw on the hydraulic valve body, cleaning the contact surface if necessary; check if the connector gap has widened; replace the ABS or ABS/ASR computer. State 4: ABS warning light illuminates during high-speed driving. Cause: During high-speed driving, the ABS computer detects a significant discrepancy between the rear and front wheel speed signals; incorrect tire or wheel rim specifications. Solution: Refer to the vehicle's tire and wheel rim specifications, as indicated on the label near the fuel tank cap. State 5: ABS warning light intermittently illuminates. Cause: Improper adjustment of the brake light switch; poor internal contact in the brake light. Solution: With the engine running, press the brake pedal, push the brake switch linkage down fully with your finger, then release the brake pedal to complete the self-setting position; replace the brake light switch if necessary.

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What are the differences between Audi S4 and Audi A4?

What does the wrench light in the car mean?

What does the full vehicle theft insurance mean?

Can a tire with a nail puncture still be used if it's not leaking air?

Can I still choose a license plate at the DMV after selecting one online?

Are Vehicle Inspection Stations Open on Saturdays and Sundays?

What does it mean when the ABS warning light comes on in a vehicle?

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