Christ did not teach sola scriptura. Nor does the doctrine pass it’s own test. It is unscriptural and can only be declared by someone not using scripture alone. It’s a tradition that began with Luther.
Nor did Christ teach the perpetual virginity of His mother Mary.
Christ did not have to "teach" sola scriptura." He IS the Word made flesh. He taught from Scriptures and it is was what He opened the minds of his disciples as we see in Luke 24.
Really? So all those jots and tittles just might not get fulfilled, huh? I don’t think your approach is sound with Scripture.
Scripture is adequate for us to fulfill His Plan.
If you wish to add more to ..or take away from it by Tradition, the Admonishment in His Revelation to John might apply.