Tesla CEO Elon Musk told investors last year that the company was aiming for a 2025 launch of its self-driving service in California and Texas. The company appears to be on track to hit that target. Musk said during Tesla's fourth-quarter earnings call on Wednesday that the automaker is on pace to launch its self-driving service as early as June 2025,

Tesla's robotaxis will be available for paid trips and operate without someone behind the wheel in existing Tesla models.

While the initial testing will use Tesla's own fleet of cars, regular customers may be able to add their cars to the ride-hailing fleet next year, Musk says.