Browse
For Sale
Antiques CollectiblesApparelBaby Kids ItemsBooks， Movies And MusicElectronicsFree StuffGarden OutdoorHealth BeautyHome GoodsHome Improvement SuppliesMusical InstrumentsOffice SuppliesPet SuppliesSporting GoodsTicketToys GamesTransportationOthers
Jobs
AccountingAdministration & Office SupportAdvertising， Arts & MediaBanking & Financial ServicesCall Center & Customer ServiceCEO & General ManagementCommunity Services & DevelopmentConstructionConsulting & StrategyDesign & ArchitectureEducation & TrainingEngineeringFarming， Animals & ConservationGovernment & DefenseHealthcare & MedicalHospitality & TourismHuman Resources & RecruitmentInformation & Communication TechnologyInsuranceLegalManufacturing， Transport & LogisticsMarketing & CommunicationsMining， Resources & EnergyReal Estate & PropertyRetail & Consumer ProductsSalesScience & TechnologySelf EmploymentSport & RecreationTrades & ServicesOther
Property
BuyRent
Cars
Used CarsNew CarsOthers
Services
BusinessCraftsDesign And WebEventsHome ImprovementLegalLessonsPersonalPetsPhotographyRepair And Technical SupportWellnessWriting， Translation， And TranscriptionOthers
Community
Activities & GroupsArtists & MusiciansClasses & LessonsEventsFriendship & NetworkingLost & FoundRideshareSports TeamsVolunteersTravel & Travel PartnersSkills & Language SwapOther

What does sync mean on a car?

1 Answers
Autumn
07/24/25 3:35am
The sync on a car's air conditioning refers to the synchronization button of the dual-zone automatic air conditioning. When the button light is on, the temperature of the air outlets on both sides of the car is the same and adjusted synchronously. That is, when adjusting the temperature on one side, the air outlets on both sides will have the same temperature. After deactivating the sync, you can set different temperatures for the left and right dual-zone air conditioning. Dual-zone automatic air conditioning means there are two temperature zones, allowing independent temperature adjustments for the left and right sides of the front cabin. Vehicles equipped with dual-zone automatic air conditioning can meet the different temperature requirements of passengers in two different positions inside the car. The independent temperature zones allow for flexible adjustment between different temperature differences. The car air conditioning system consists of a compressor, condenser, throttle element, evaporator, fan, and necessary control components, used to regulate the temperature and humidity inside the car. When the compressor is working, it sucks in low-temperature, low-pressure gaseous refrigerant from the evaporator. After compression, the temperature and pressure of the refrigerant increase, and it is sent to the condenser. In the condenser, the high-temperature, high-pressure gaseous refrigerant transfers heat to the outside air passing through the condenser and liquefies into a liquid. The liquid refrigerant flows through the throttle device, where its temperature and pressure decrease, and then enters the evaporator. In the evaporator, the low-temperature, low-pressure liquid refrigerant absorbs heat from the inside air passing through the evaporator and evaporates into a gas. The gas is then sucked into the compressor for the next cycle. In this way, through the refrigerant circulating in the system, the heat from the inside air is continuously absorbed and discharged to the outside air, gradually lowering the temperature inside the car.
Was this review help?
10
5
Share
More Forum Discussions

What Kind of Driver's License is Needed to Drive a Rolls-Royce?

To drive a Rolls-Royce, the required driver's license mainly falls under the following circumstances: 1. Most cases: The Rolls-Royce models sold in China are generally under 6 meters in length, so an ordinary C1 driver's license is sufficient. 2. Rare cases: Extended versions exceeding 6 meters are limited-edition Rolls-Royce models classified as large buses, requiring an A1 driver's license to operate. Here is some additional information: 1. Introduction: The People's Republic of China Motor Vehicle Driver's License, commonly referred to as a driver's license or 'driver's permit,' is a mandatory certification for motor vehicle drivers, established under the laws of the People's Republic of China. 2. Regulations: The motor vehicle driver's license records the holder's ID number, name, gender, date of birth, permanent address, nationality, permitted (learned) vehicle type code, initial issuance date, validity period, and management records. It also includes the issuing authority's seal, file number, and the holder's photo. The design of the motor vehicle driver's license is stipulated by the Ministry of Public Security.
19
0
Share

How Many Years Can a Regular Family Car Last?

A regular family car can typically last between 15 to 20 years, with a mileage of up to 600,000 kilometers considered as the threshold for scrapping. The consequences of not scrapping the car upon expiration include impacts on driver's license renewal or annual inspections; driving a car that has failed its inspection may result in fines and license revocation; the vehicle will be forcibly scrapped, with the owner bearing the costs. As a car ages, the frequency of annual inspections will also be adjusted. For cars over 15 years old, two annual inspections are required, and for those exceeding 20 years, four annual inspections are mandated. The condition of the car depends not only on its factory quality but also, more critically, on the owner's maintenance habits during later use. Regular vehicle maintenance and good driving habits are essential to prolonging the car's lifespan. The car scrapping process involves the owner filling out an application form; the application is then registered and reviewed, and a scrapping notice is issued. For vehicles that have not reached the scrapping age limit but are deemed to meet the scrapping standards upon inspection, a notice is issued accordingly. The owner then takes the scrapping notice to a qualified recycling company to hand over the vehicle. The company dismantles the car and takes photographs after inspection. The owner verifies and signs the form, after which the license plates and certificates are reclaimed, and the scrapping registration is processed as per regulations.
8
2
Share

Should the fuel tank be filled up when refueling?

It is possible to fill up the fuel tank when refueling, depending on personal preference. Two scenarios of "filling up": The commonly referred to "filling up" can be divided into two types: the rated capacity and the maximum capacity of the vehicle's fuel tank. The method to distinguish between these two is usually the first and second click of the fuel gun during refueling. The fuel tank capacity indicated by the car manufacturer in the manual is the rated capacity, not the maximum capacity, because the fuel tank design already considers the potential safety hazards of filling up. According to the national mandatory standard "Safety Performance Requirements and Test Methods for Automotive Fuel Tanks (GB18296-2001)", the safety performance requirements for gasoline fuel tanks state that "the rated capacity should be controlled at 95% of the maximum liquid capacity of the fuel tank." Therefore, if the fuel is filled to the "rated capacity", there is still a certain safety margin left in the tank. Even if high temperatures cause the gasoline to expand, there is still some space left, reducing the risk of gasoline overflowing from the vent hole. Hence, filling to the "rated capacity" is safe. However, filling to the maximum capacity or even overflowing is undoubtedly unsafe. Overfilling can lead to oil spills, excessive oil pressure, carbon canister failure, and other safety issues, affecting driving safety. Timing for refueling: It is advisable to refuel when about a quarter of the fuel remains. If the fuel level is too low, the fuel pump may not be fully immersed in fuel, affecting its cooling and increasing its workload. Additionally, impurities at the bottom of the tank may cause blockages. Therefore, to protect the fuel pump, it is best not to wait until the fuel warning light comes on before refueling. Amount of fuel to add: When refueling, it is generally sufficient to stop at the first click of the fuel gun, as this indicates that the maximum rated capacity has been reached. Adding more fuel after the first click carries certain risks. Exceeding the rated capacity may lead to oil leaks, blocked vent holes, damage to the carbon canister, and other problems. Therefore, it is important to refuel reasonably according to the marked rated capacity and avoid overfilling for convenience, which could create safety hazards.
12
2
Share

Can You Buy a Used Car Without Transferring Ownership?

You can purchase a used car without transferring ownership, but you must go to a notary office with the original owner listed on the vehicle license to notarize the transaction. This notarization should specify the signing of the purchase contract and the division of accident responsibilities during future use. Below are the required materials for transferring ownership when buying a used car: 1. Seller's ID: Original and photocopy of the seller's personal ID. 2. Buyer's ID: Original and photocopy of the buyer's personal ID. 3. Vehicle documents: Original and photocopy of the vehicle's motor vehicle registration certificate. 4. Driving documents: Original and photocopy of the vehicle's driving license. Below is extended information about the vehicle ownership transfer process: 1. Fill out the contract: Obtain the motor vehicle sales contract at the service window and fill it out. 2. Vehicle inspection: Drive the vehicle directly to the transfer inspection area for inspection, photography, tracing the vehicle identification number, and license plate removal, then fill out the inspection record form. 3. Complete procedures: After all inspections are completed, drive the vehicle back to the parking lot, then proceed to the transfer hall to complete the procedures. 4. Pay fees: After returning to the transfer hall, take a number, queue up, and wait for your turn. The staff will confirm that the vehicle has no violations before starting the transfer process, and you will need to pay the transfer fee. 5. Complete related procedures: After payment, proceed to the transfer processing window to complete the related procedures. 6. Transfer completed: After the transfer processing is completed, you can choose a new license plate number and receive the new license plate, driving license, and registration certificate, marking the completion of the transfer.
7
3
Share

What is the normal tire pressure for the Mercedes GLB?

The normal tire pressure range for the Mercedes GLB is 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2 bar in winter and reduced by 0.1 bar in summer. This data is based on the international GBT2978-2008 standard. The Mercedes GLB is equipped with an active tire pressure monitoring function, which displays the tire pressure information of all four wheels on the dashboard, allowing you to clearly identify which specific tire has an issue. Generally, a tire pressure exceeding 2.8 bar is considered too high, while a tire pressure below 2.0 bar is considered too low. Hazards of overinflated tires: Reduced friction and adhesion of the tires, affecting braking performance; causes steering wheel vibration and deviation, reducing driving comfort; accelerates wear on the central tread pattern of the tire, shortening its lifespan; increases vehicle vibration, indirectly affecting the lifespan of other components; overstretches the tire cords, reducing elasticity and increasing the load on the vehicle during driving. Hazards of underinflated tires: Increased friction coefficient with the road surface, leading to higher fuel consumption; makes the steering wheel heavy and prone to deviation, posing safety risks; increases movement in various parts of the tire, causing abnormal heat due to excessive rolling; reduces the functionality of the cords and rubber, leading to delamination or cord breakage and excessive friction with the rim, damaging the tire bead area and causing abnormal wear; multiplies the friction between the tire and the ground, sharply increasing tire temperature, softening the tire, and drastically reducing its strength. High-speed driving under these conditions may result in a tire blowout. If the tire pressure monitoring indicator lights up (a yellow symbol with an irregular circle, no stamp on top, four small spikes at the bottom, and an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: Typically, an alarm is triggered when the pressure is below 1.8 bar or above 3.0 bar. In this case, the tires need to be checked and the pressure adjusted. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset promptly, the system will still record the previous data, causing the tire pressure monitoring indicator to light up. Simply resetting the tire pressure will resolve this issue. Damaged tire pressure sensor: The tire pressure sensor, which monitors tire pressure, is directly installed inside the tire and connected to the tire inflation valve. If the sensor is damaged due to impact while driving, the tire pressure warning light will illuminate. For sensor damage issues, the only solution is to replace it with a new component.
15
2
Share

What to Do If You Accidentally Run a Red Light While Turning Left?

According to Article 2, Section 1, Clause 2 of the "Scoring Standards for Road Traffic Safety Violations," driving a motor vehicle in violation of traffic signal lights results in a 6-point penalty. Whether running a red light while turning left or going straight, it is considered a traffic violation, and if caught by cameras, it will be recorded. The "Road Traffic Safety Law" stipulates that vehicles must obey traffic signals, including traffic lights, signs, road markings, and police directives. If both the left-turn and straight signals are green, proceeding straight from a left-turn lane violates lane regulations. When the left-turn signal is red, running the red light will be penalized. Here are some tips to avoid running a red light: Check the arrow light first, then the circular light: There are two types of traffic lights: arrow signals and circular signals. When arrow signals are present, check them first before looking at the circular light to avoid running a red light. Note: When encountering a circular red light, right turns are permitted. However, if the right-turn arrow is red, turning right is prohibited and will be penalized as running a red light. Brake in time: When the light turns red, ensure your vehicle does not cross the stop line. If the front wheels accidentally cross, but the rear wheels do not, the camera will not trigger a violation. If the front wheels have just crossed the stop line when the light turns red, do not proceed; wait for the next green light. Monitor the green light countdown: When the green light flashes, if there is a countdown, use it to judge whether to proceed. If there is no countdown and you are close to the intersection at high speed, you may proceed to avoid sudden braking. If you are far from the intersection or driving slowly, brake immediately to avoid running the red light. Article 38 of the "Implementation Regulations of the Road Traffic Safety Law of the People's Republic of China" states: When the green light is on, vehicles may proceed, but turning vehicles must not obstruct straight-moving vehicles or pedestrians. When the yellow light is on, vehicles that have already crossed the stop line may continue. When the red light is on, vehicles must stop. At intersections without non-motorized or pedestrian signals, non-motorized vehicles and pedestrians must follow motor vehicle signals. When the red light is on, right-turning vehicles may proceed if they do not obstruct other vehicles or pedestrians. Running a red light is not considered a violation in the following situations: Yielding to emergency vehicles: Yielding to ambulances, fire trucks, or other emergency vehicles. If caught on camera while yielding, manual review will exclude the violation. Even if recorded, you can appeal to the traffic police. Extreme weather: If visibility is so low that even traffic cameras cannot clearly capture the signal, photos of the violation may be unclear, and no penalty will be issued for mistakenly running the red light. Emergencies: Transporting a critically ill patient to the hospital may involve running multiple red lights. After delivery, provide hospital or patient documentation to the traffic police for verification to clear the violations. If possible, call an ambulance to avoid accidents. Police direction: During peak hours, traffic police may manually direct traffic at key intersections. Drivers must follow their instructions.
19
0
Share
Trending Ranking
Should the Cruze use 5W30 or 5W40 engine oil?
What is the maximum speed of a 60V 500W motor?
Is the Geely Emgrand fuel-consuming?
4
What are the consequences of selling a vehicle as scrap without deregistration?
5
What do families who drive Ferraris generally do for a living?
6
What Does an Exclamation Mark Mean When Reversing?
7
How to Reverse on a Steep Slope?
8
Is It Normal for the Car Navigation Screen to Get Hot?
9
What kind of engine oil is used in the Volkswagen New Jetta?
10
What does Volkswagen 380tsi represent?
More Forum Discussions

When to Turn the Steering Wheel Half a Circle When Reversing into a Parking Space?

7
2
0

How to Check the Lottery Points for Family Small Passenger Vehicle Quota?

7
2
0

What to do when the car shows EPC and won't start?

4
3
0

What is the fuel tank capacity of the Jianghuai Refine?

5
0
0
About Us
Terms of Use
Privacy Policy
Help
Contact Us
FAQ
Cookie
Cookie Policy
Cookie Settings
© 2025 Servanan International Pte. Ltd.