Is my update coming?

Rolling out now

Yes. 2026.38.4 is reaching Model Y with AI4 in North America.

12% of these cars have it after 5 days.

Cars with it

12 %

What Model Y AI4 cars are running

1,906 cars · updated 4 min ago

Version	First seen	Share of cars	Notes
2026.38.4 New	Oct 5	12%	Read
2026.32.6	Sep 13	61%	Read
2026.26.6.5	Aug 16	19%	Read
Older		8%

Get a message the moment 2026.38.4 lands on your car.

Figures come from cars connected to Lighthouse, so they show a sample of the fleet, not every Tesla.