The CTKIAUSB.2 kits from Connects2 come with absolutely no instructions and are trickier to install than an after market radio so in this video join me as I fit one in my Kia Pianto in order to use a after market radio with the built in USB/Aux port.
Products shown in this video
CTKIAUSB.2 Kit: https://ebay.us/LeJCYj
Facia and Cable Adapter Kit: https://ebay.us/GOfycE
Pioneer CarPlay Stereo shown in the video: https://amzn.to/4940A7B
Watch my Kia Picanto after marker stereo installation tutorial here