Control AUX audio via Steering Wheel

tarl

Member
:
Mazda 2
Hey guys,
My girlfriend has a 2009 Mazda 2, it has an Aux input and steering wheel controls. The steering wheel controls can deal with the volume however cannot go to "next track" etc on the AUX. Is there an adapter or something that can be done to achieve this without replacing the headunit?
 
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