Tesla began pushing firmware 2026.38 to customer cars on 29 September 2026. It is a new branch, and it arrives from nowhere: the fleet's current builds are 2026.26, 2026.27 and 2026.32, and Tesla has jumped the five branch numbers in between.
Two entries in its release notes are not in either branch it supersedes.
What is actually new
| Entry | New in 2026.38? |
|---|---|
| Visual Updates — higher quality vehicle images, enhanced park scene | Yes — absent from 2026.32.3 and 2026.26.6.5 |
| Supercharger Site Maps — "View Site Map" | First appearance in a vehicle release note |
| Wheel Selection | No — introduced with 2026.32.3 |
| Apple Music library browsing | No — carried since the 2026.26.6.5 Summer Update |
| Security Improvements | Routine |
The Visual Updates entry is the only unambiguously new feature. Tesla describes it as the centre display carrying "higher quality images of your Tesla, and an enhanced park scene environment" — the rendering of your own car on the main screen, and the backdrop it sits in. It is cosmetic, and it is the kind of change that tends to land on newer infotainment hardware first, though Tesla has not said so here.
Site Maps were already in the car. The note is new.
The Site Maps entry needs care, because it reads like a launch and is not one.
Supercharger Site Maps — the rendered view of a charging site showing each stall and whether it is free, occupied or out of service — arrived in the 2025 Holiday Update at 18 sites in California and Texas and reached almost every US Supercharger by this month. In the car the feature requires an AMD Ryzen infotainment computer, which shuts out earlier Intel-based Model 3s and Model Ys. The phone app dropped that hardware requirement with version 4.61 on 19 September.
So what changed on 29 September is that Tesla wrote the feature down, not that it switched it on. That is a habit worth knowing about: this site's coverage of the 2026.32 branch found the reverse case, a browser ad blocker that has shipped for three weeks and has still never appeared in a release note.
For European owners the binding limit is not the note and not the hardware. It is coverage. As of September, Tesla's European site-map rollout consisted of two car parks in Belgium — Brugge and Heusden-Zolder. Nothing in 2026.38 says that has changed.
The early rollout leans European
| Measure | Value |
|---|---|
| First installs | 29 September 2026 |
| Share of tracked fleet | 0.4% |
| Cars updated in the first day | about 45 |
| Models seen | Model 3, Model Y, Model X (legacy) |
Teslascope's install log puts the early cars mostly in Europe — Germany, Italy, Spain, Poland, Austria, the Netherlands and France — with a smaller number in the United States.
Treat that as an observation, not a pattern. Seven recorded installs and eight pending is far too small a sample to establish that Tesla is seeding a branch in Europe first, and early rollout mixes routinely shift within days. It is worth watching precisely because a Europe-weighted branch carrying a Site Maps note would be the first thing to suggest European site coverage is about to move.
What an owner should do
Nothing urgent. At 0.4% of the fleet this is an early build, and the one new feature in it is a nicer picture of your own car. An owner on 2026.32 is not missing a function.
The entry to watch is the Site Map one, and the thing that would give it meaning is a European site list — which Tesla has still not published.
Update: 2026-10-01
Reporting published after this article corrects the table above. Supercharger Site Maps in 2026.38 are not confined to AMD Ryzen cars: Not a Tesla App reports the release brings 3D Site Maps to legacy Model S, Model X, Model 3 and Model Y running Intel Atom infotainment, closing the hardware gap described here as shutting those cars out. The release notes also carry a fourth entry missing from the table — Dynamic Headlight Leveling, which on legacy Model 3 and Model Y aims the low beams automatically according to driving conditions and nearby traffic, and unlocks only on cars fitted with matrix LED headlights. Despite how it has been reported elsewhere, it is not the remedy for the NHTSA headlight recall, which NHTSA still lists as a physical replacement. Sources: Tesla Adds Supercharger Site Maps to Intel Vehicles With Update 2026.38, Tesla update 2026.38 improves car visuals and adds auto-leveling headlights for legacy HW3 cars.