With CANBUS:
1）Go to: Settings > Car > Factory settings (password：126) > Others > Steering wheel keys assign > Can Key (see attachment pic) > Apply > Exit (Restart).
2）Go to: Settings > Car > Steering Wheel Keys > start to program OR just open the App "Wheelkey Study" to program.
Without CANBUS:
Please find the video tutorial of how to reprogram the SWC keys.
https://www.dropbox.com/s/7hovrnq4uingkoj/%E6%96%B9%E6%8E%A7%E5%AD%A6%E4%B9%A0.mp4?dl=0
