Tesla App Updates, the tracker that decompiles each new build of Tesla's apps, pulled apart version 26.8.2 of the Robotaxi app on 24 September 2026. It found a set of features that are written into the binary and not switched on. The most consequential of them is a payment method.
X Money moves into a Tesla product
The Robotaxi wallet gains X Money as a native payment option. The flow in the code is the ordinary one for a linked account: the rider authenticates through X, and X returns a token to Tesla.
Apple Pay and Google Pay appear beside it as alternatives rather than as the primary route, which is the detail worth noticing. A wallet that treats the two dominant phone payment systems as fallbacks is a wallet built around something else. Tesla has confirmed none of this, and the code does not say when or whether it ships.
A button to stop a car that is already coming
The second find is a Stop Now command, and the code treats it as a different action from cancelling a ride. Cancelling ends the booking; Stop Now halts a vehicle that is already en route to the pickup. Availability is geofenced, so the command only appears for a car close enough to be worth stopping.
That gap is one the existing app leaves open. A rider watching a driverless car approach the wrong side of a junction has no driver to wave at and, until now, no control between "wait" and "cancel".
How you open a Cybercab when the phone fails
The third is the most practical, and it exists because the Cybercab has no exterior door handles. The build carries instructional images showing manual door operation, plus an internet-based unlock that runs over the car's cellular connection as a backup when Bluetooth and ultra-wideband both fail.
A phone that cannot reach the car is the one failure mode a robotaxi passenger cannot solve by pulling a handle. Tesla writing a cellular fallback and a picture of where to push suggests it is a failure mode the company has already seen.
The rest of the build
| Found in 26.8.2 | What it does |
|---|---|
| Referral tracking | Attributes signups to links, ads or QR codes, with a full-screen animation on success |
| Cabin display brightness | A slider for the in-car screen, controlled from the rider's phone |
| Apple Pay, Google Pay | Backup payment methods alongside X Money |
What is actually confirmed
Nothing. These are strings and assets in a shipped app, not announced features. Code found this way is a reliable guide to what is being built and an unreliable guide to what will launch.
What the build does show is where the work is going. The Robotaxi app already does things the mainline Tesla app cannot, and this build extends the pattern from comfort controls into payments, access and referrals — the machinery of a commercial service rather than a pilot.
For European readers
None of it is reachable from here. The app is tied to Tesla's United States service, there is no European robotaxi operation, and X Money has no announced European equivalent. FSD (Supervised) approval in the EU is still pending, with the vote slipped to December.
The narrower signal is still real: Tesla is building billing, referral and physical-access machinery into the app. That is what a company does when it expects to run a paid service at scale — even while eight vehicles carried passengers in Austin last week.