The update will arrive as Version 7 of Tesla’s firmware, and has been tested extensively on a route between San Francisco and Seattle. Musk has previously said the car is “almost able to go [between the two locations] without touching the controls at all”. Musk added on Twitter that the company is still working out some kinks, but that the update would arrive for “all regions”. “Final corner case is dealing with low contrast lane markings (faded white on grey concrete) while driving into the sun at dusk,” he said on Twitter, of the remaining, incredibly specific problems.