I've spent most of the last 2 hours trying to find pictures to prove or disprove this.
I want to buy this part to facilitate adding a sub to my 2017 SX, but the product description says not for nav-equipped models. But I can't find any wiring info on the 2017/18 Nav systems.
Want to add a subwoofer to your original stereo? Don’t want or know how to cut into your wiring? Take the wiring guesswork out of the installation with this plug and play wire harness! Installation is as easy as 1, 2, 3! Remove your OEM factory radio Unplug the OEM factory wiring and plug in...