Here are the major highlights
April 2, 2026

Your Wear OS watch can now act as a keycard!
Simply tap it against the driver's door pillar to lock or unlock your vehicle.
For security, your watch must be unlocked.
Requires Watch Key and an NFC-capable watch
Supports Model 3, Model Y, Cybertruck and 2021+ Model S and Model X
You can now track costs for chargers that bill per charging session.
To define a session fee, visit Saved Locations > (Location) > Costs.
Tessie can now monitor the status of internet connectivity in your Tesla.
Select your vehicle's name and the status will be displayed in the top right corner.
The status can also be obtained through the Tessie API using this endpoint.
Connectivity statuses:
Phantom drain is now calculated up to 2 decimal points to reveal small changes.
Not compatible with legacy Model S/X using MCU1
Phone Key and Watch Key can now be paired wirelessly without a keycard.
Various minor visual improvements and bug fixes.