What does the SRC button on the car mean?

[DiConnor]

SRC on the car refers to the audio source selection button, used to switch between CD, USB, or Bluetooth audio, or to change songs or radio stations, similar to a remote control. It is usually located on the multifunction steering wheel of the car. The detailed usage of this button can be found in the vehicle's manual. More related information is as follows: Definition of multifunction steering wheel: A multifunction steering wheel refers to a steering wheel with function buttons set on both sides or below, allowing the driver to operate more conveniently. Functions of multifunction steering wheel: The multifunction steering wheel includes audio control, air conditioning adjustment, hands-free calling, etc. Some also have cruise control buttons set on the steering wheel.