Imagine your Tesla autonomously driving to you, no matter where you are – that's the magic of Smart Summon and Actually Smart Summon. A recently released Tesla patent (US20250068166A1) provides exciting insights into the technology behind these features and hints at future improvements. In this article, you'll learn how Smart Summon works, its role in Robotaxi, and what Tesla plans next.

How does Smart Summon work?

The patent, involving figures like Elon Musk and former AI director Andrej Karpathy, describes a sophisticated system for autonomous navigation at low speeds. Here's the process:

  1. Target Selection:
    • The user inputs a target via the Tesla app, e.g., by setting a pin or using the “Come to Me” function, which navigates the car to the user's dynamic GPS position.
    • The system considers elevation differences (e.g., in parking garages) and the desired orientation at the target, such as for charging stations.
  2. Environment Sensing with Occupancy Grid:
    • Tesla Vision creates a 3D representation of the environment, similar to FSD.
    • A neural network AI processes sensor data (mainly cameras, previously also ultrasound and radar) and generates an Occupancy Grid that distinguishes drivable areas from obstacles.
    • Stored maps from previous parking maneuvers improve accuracy.
  3. Path Planning:
    • A Path Planner Module calculates the optimal route to the target, based on cost functions that avoid sharp turns, frequent direction changes, or obstacles.
    • The system considers vehicle dynamics like the turning circle and can plan intermediate targets (waypoints) – a feature currently missing.
  4. Command Execution:
    • The Vehicle Controller converts the planned path into control commands for steering, acceleration, and braking.
    • The path is continuously adjusted to avoid obstacles.
  5. Safety Checks:
    • Constant checks prevent collisions by having the Occupancy Grid and Path Planner detect potential risks.
    • The patent mentions the possibility of allowing users remote control (e.g., steering and speed) with automatic safety overrides – a potential feature for Robotaxi Teleoperation.
  6. Arrival at the Target:
    • Upon reaching the target (or the nearest safe spot), the car can perform actions: send notifications, turn on lights, adjust air conditioning, unlock doors, or align for charging stations.
    • Precise alignment for charging is a future feature not yet available.

Current Status of Actually Smart Summon

Actually Smart Summon allows you to call your Tesla from a parking spot to you or send it to a point as long as you hold the Summon Button in the app. It's impressive but not perfect:

  • Reliability: Users on X, like @TeslaJoy, report occasional errors, such as the car misjudging obstacles or getting lost in complex parking lots.
  • Range: The range is limited to 65 meters, which is restrictive in large parking lots.
  • Improvements: App updates suggest that pressing the button might soon be unnecessary, which would make usage easier.

The patent shows that the foundations for a robust system are in place, but fine-tuning for all scenarios (e.g., full parking lots or pedestrians) is still ongoing.

Future Capabilities

The patent hints at features that could enhance Smart Summon and FSD:

  • Remote Control: Users could control steering and speed like an RC car, with safety overrides – ideal for robotaxi teleoperation.
  • Waypoints: The system could plan intermediate stops, e.g., to avoid obstacles or master complex routes.
  • Charging Stations: Automatic alignment for charging points, possibly also for wireless charging in the future.
  • Multi-Story Parking Garages: Height differences could enable precise navigation in parking garages, a previous weak point.

These features are not yet available, but their mention in the patent shows Tesla's ambitions for Unsupervised FSD and Robotaxi.

Connection to the Robotaxi Network

The Robotaxi launch in June 2025 in Austin makes Smart Summon more relevant than ever. Robotaxis must:

  • Drop off passengers and park independently or drive to the next ride.
  • Return to precise locations on demand, even in complex environments like parking lots.
  • Navigate safely, supported by teleoperators if needed.

The technologies described in the patent – Occupancy Grid, Path Planner, and safety checks – are essential for Robotaxi. @TeslaInsights on X speculates: “Smart Summon is the prototype for Robotaxi navigation in parking lots.” The development of Actually Smart Summon could thus directly flow into Robotaxi technology.

Relevance for Europe

For European Tesla fans, the patent is a glimmer of hope, even though the introduction of Actually Smart Summon here is delayed by stricter regulations (e.g., UN/ECE R79 and GDPR for camera data). The ability to master height differences and complex parking environments is particularly relevant for European cities with tight parking garages. A successful rollout in the USA could increase pressure on European authorities to release FSD features like Smart Summon faster.

Conclusion: Smart Summon as a Key to the Autonomous Future

Tesla's Smart Summon Patent unveils the impressive technology behind autonomous navigation at low speeds – from Tesla Vision to the Path Planner. While Actually Smart Summon is already fascinating today, future features like remote control, waypoints, and precise charging point to an even smarter experience. For European users, this is a glimpse into the future, which is getting closer with the Robotaxi launch in June 2025. Look forward to a Tesla that picks you up like a chauffeur – soon perhaps without pressing a button!