<p><img src="https://images.cointelegraph.com/images/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjQtMDgvMDE5MTlmODAtMzhmZS03NTcwLTlhZTQtNjBlZjNiZDkyNTFl.jpg"></p><p>A Boring Company update indicates Tesla’s “Full Self-Driving” software isn’t ready for single-lane tunnel use.</p>