What does 'source' mean in a car?

1 Answers
VanRemington
07/30/25 12:15am
source refers to the origin or root, and in a car, it denotes the audio signal source switch button for the sound system. It allows the audio system to toggle between various signal sources such as radio, CD, USB, AUX, etc., meeting the driver's diverse usage needs and enhancing the driving experience. Relevant information about car maintenance is as follows: 1. Introduction: Car maintenance refers to the periodic preventive work of inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of the car, also known as car servicing. 2. Maintenance scope: Modern car maintenance mainly includes the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, and more.
Was this review help?
19
2
Share
More Forum Discussions

Where is the air conditioning filter located in the Ford Mondeo?

Ford Mondeo's air conditioning filter is located on the right side of the driver's side accelerator pedal, and the accelerator pedal needs to be removed for replacement. The functions of the air conditioning filter are: 1. Provide fresh air for the car interior; 2. Ensure safety and hygiene inside the car; 3. Absorb harmful substances; 4. Filter solid impurities in the air. Taking the 2013 Ford Mondeo as an example, its body structure is a 4-door, 5-seater sedan with the following dimensions: length 4854mm, width 1886mm, height 1495mm, wheelbase 2850mm, front track 1587mm, rear track 1605mm, fuel tank capacity 70L, trunk capacity 450L, and curb weight 1586kg.
18
2
Share

Should You Press the Brake When Depressing the Clutch?

Whether to press the brake when depressing the clutch depends on different situations: 1. Press both when the vehicle speed decreases or for short-distance braking; 2. Do not press when braking at higher speeds or for long distances. The functions of the clutch include: 1. Gradually increasing the driving force of the car for a smooth start; 2. Temporarily separating the engine and transmission for gear shifting; 3. Preventing overload of the transmission system; 4. Reducing torsional vibration impact from the engine to prolong the life of transmission gears. The brake serves to reduce vehicle speed, and its usage precautions include: 1. Apply the brake gently when following another vehicle; 2. Use emergency braking cautiously in rainy conditions; 3. Avoid emergency braking on slopes and curves.
6
5
Share

How to Give Way to Special Vehicles?

Giving way to special vehicles means slowing down and moving to the right to ensure unimpeded passage for them. Below is relevant information about special vehicles: 1. Definition of Special Vehicles: Special vehicles refer to motor vehicles whose external dimensions, weight, etc., exceed the design limits of standard vehicles or are used for special purposes. They are custom-made or specially modified, equipped with fixed devices, and their primary function is not for transporting people or goods. 2. Introduction to Special Vehicles: Special vehicles generally have distinctive markings or belong to specific vehicle categories. They are assigned special duties and display special license plates, along with the use of sirens and warning lights. Examples include ambulances, fire trucks, police cars, engineering rescue vehicles, military supervision vehicles, etc.
20
0
Share

What is the Function of a Limited Slip Differential?

Limited Slip Differential (LSD) serves the following purposes: 1. It limits the speed difference between two tires. When the vehicle turns, the left and right tires can automatically adjust their rotational speeds to accommodate different turning path lengths, ensuring smooth cornering. 2. During acceleration through a turn, the output torque and centrifugal force may cause the inner wheel to lift off the ground or experience slippage. 3. It transfers as much power as possible to the outer wheel, helping the driver increase cornering speed and enhance handling performance. A limited slip differential is an improved type of differential that restricts wheel slippage, allowing a certain range of speed difference between the two drive wheels to maintain normal driving performance, such as during turns.
1
2
Share

What is the function of an air filter?

The functions of an air filter are: 1. To ensure the air conditioning filter fits tightly against the housing, preventing unfiltered air from entering the cabin; 2. To separate solid impurities such as dust, pollen, and abrasive particles from the air; 3. To absorb moisture, soot, ozone, odors, carbon oxides, SO2, and CO2 from the air, providing strong and long-lasting moisture absorption; 4. To prevent the car windows from fogging up, ensuring clear visibility for the driver and safe driving; 5. To maintain clean air in the passenger compartment and prevent bacterial growth. The steps to replace an air filter are: 1. Open the engine hood; 2. Remove the air filter element; 3. Thoroughly clean the air filter box; 4. Install the prepared air filter.
16
5
Share

How to Determine a Vehicle's National Emission Standard?

Methods to determine a vehicle's national emission standard: 1. Check the vehicle's environmental protection label; 2. Query on the website of the Motor Vehicle Exhaust Pollution Supervision and Management Center; 3. Check the vehicle's factory certificate; 4. Make a rough judgment based on the vehicle's registration year; 5. Bring the vehicle registration certificate to the DMV for inquiry. The national emission standard refers to the national motor vehicle pollutant emission standard, also known as the vehicle exhaust emission standard. The currently implemented latest standard is the China V standard (National Phase V Motor Vehicle Pollutant Emission Standard). Vehicle emission standards are established to control the emission of pollutants from vehicles.
11
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.