Retain the original steering wheel remote control functions, if you trade in your factory radio for an aftermarket radio. Compare the illustrated connector of the adapter with that in your car to make sure you have the right one.
Also check if any of the specified original factory radio is installed in your vehicle!
Notes: analog CAN bus Connection: ISO / Mini ISO connector Vehicles with CAN bus in ISO power connector Vehicles with steering wheel controls RC-A/GND/RC-B Mini ISO connector pin 11/12/13 Vehicles with BOSE OEM sound system* +12V Amp Remote > Mini ISO Chamber C Pin 6 Vehicles without +12V Contact voltage terminal 15 Suitable for the following vehicles: Alfa Romeo 147 (973) 09/2007 - 04/2010 Alfa Romeo GT (937) 02/2004 - 10/2010 The following signals are given: Handbrake signal Reverse signal Inflammation Speed