[Stl-986]

In theory you could do it, just connect the column side, but you will only have 2 controls. The left & right side do the exact same thing/send the same signal. So it's not really 4 buttons/switches, but 2.

With that said, it wont work anyway. Steering wheel commands aren't just an on/off-momentary kind of switch. They send a signal and the radio detects each of these different signals. Each mfg does it differently but from a very high level it is like Morse Code. Up = 3 dashes, Down = 4 dashes, play = 5 dashes, etc, etc. Radios/steering wheel interfaces have this "database" in them that converts that signal to something the radio will understand.

So, if you want to do something like this, you would need a steering with that has audio controls, clock spring, wiring, airbag, airbag wiring and most likely many other things. By the time it's all said & done it might be better off looking for a radio that does voice control or comes with a remote control.