①Transmit the electrical signals from the sensors installed on the front and side of the car to the ECU, and then return to the gas generator in the steering wheel.
②Transmit the horn signal and the volume increase and decrease the small function.
③ Cooperate with the combination switch to realize the automatic return function of the turn signal.
④Airbag 2 channels (+,-), speaker 2 channels (+,-), volume 2 channels (+,-), cruise, LED power supply, others.
⑤ It is in contact with the steering wheel, so the rotation function is required.
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