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What does 'source' mean on a car steering wheel?

3 Answers
Willa
09/07/25 2:48am
Steering wheel's 'source' refers to the audio mode switching function, allowing toggling between radio, CD, AUX, etc. Here are relevant details: 1. Multifunction Steering Wheel: A steering wheel equipped with function buttons on sides or below for easier driver operation. These controls may include audio system adjustments and air conditioning settings. 2. Car Audio System: Auto-audio refers to radio devices installed to alleviate travel monotony for drivers and passengers. Early vehicles used AM radios, later upgraded to AM/FM radios, cassette players, then CD players compatible with DCC and DAT digital audio. Modern car audio systems achieve high standards in sound quality, operation, and vibration resistance, maintaining stable performance and perfect sound even on rough roads.
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Harry
09/19/25 2:20am
I'm a new driver and out of curiosity pressed the 'source' button on the steering wheel, which switched the audio from the radio to Bluetooth music. Later, my car-savvy friend explained that 'source' means switching audio sources. For example, if you're listening to FM radio, pressing it can switch to music apps connected via your phone or playlists from a USB drive. It's smartly designed on the steering wheel – just a finger movement while driving gets the job done without needing to look down at the central control screen, avoiding safety risks. Newbies might accidentally press it, so I suggest first familiarizing yourself with the source options in your car's central control settings. Some cars allow customizing the order, like prioritizing CarPlay. Now that I'm used to it, it's super convenient for changing songs during long drives.
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AliceRose
11/02/25 2:41am
Having driven for over a decade, I use the steering wheel source button every day. Its function is straightforward: to switch audio input sources. For instance, if you're listening to the radio, pressing the source button allows you to switch to music from your Bluetooth-connected phone or AUX input. The advantage is that you can operate it without taking your hands off the wheel or your eyes off the road, ensuring driving safety. Veteran driver experience suggests that button layouts vary across car models, with some located in the right button area for easy control with the right index finger. Regular cleaning of the button is important to prevent dust from causing poor contact. It works seamlessly with the source menu in the central control system, ensuring no lag during driving. I often advise friends to set commonly used sources, like prioritizing phone music, to reduce operational steps.
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