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Product Management Technical Question: Tesla electric vehicle dashboard showing power alert feature

Imagine you work at Tesla and you are the product manager designing a feature that alerts the driver when they are going to run out of power before they reach the next charging station. What data do you need to make this feature possible?

Product Technical Medium Member-only
Technical Product Design Data Requirements Analysis Feature Specification Automotive Electric Vehicles Energy Management
User Experience Data Analysis Product Design Electric Vehicles Tesla

Designing Tesla's Power Alert Feature: Data Requirements for Intelligent Range Prediction

Introduction

The technical challenge we're addressing is designing a feature for Tesla vehicles that alerts drivers when they're at risk of running out of power before reaching the next charging station. This feature is critical for enhancing the electric vehicle (EV) experience, reducing range anxiety, and improving overall safety. To tackle this problem, we'll need to consider various data points, system integrations, and predictive algorithms. I'll outline the key data requirements, potential technical challenges, and a high-level implementation strategy.

Tip

Ensure the solution balances accuracy with real-time performance to provide timely and reliable alerts without draining the vehicle's resources.

Step 1

Clarify the Technical Requirements (3-4 minutes)

Looking at Tesla's existing vehicle software architecture, I'm assuming we're dealing with a sophisticated onboard computer system with various sensors and connectivity features. Could you confirm if we have real-time access to the vehicle's battery management system (BMS) and if there are any limitations on how frequently we can query this data?

Why it matters: Determines the granularity and frequency of power consumption data we can use for predictions. Expected answer: Yes, we have real-time access with updates every few seconds. Impact on approach: High-frequency data would allow for more accurate and responsive alerts.

Considering the connectivity requirements, are we working with a system that has constant internet connectivity, or do we need to account for offline scenarios?

Why it matters: Affects our ability to fetch real-time data like traffic conditions and charging station availability. Expected answer: Vehicles have internet connectivity in most areas, but we should plan for offline capabilities. Impact on approach: We'll need to implement local caching and offline prediction capabilities.

Regarding the existing navigation system, does it already calculate energy consumption for routes, or will we need to implement this from scratch?

Why it matters: Determines if we can leverage existing route energy calculations or if we need to develop our own algorithm. Expected answer: Basic energy consumption is calculated, but it may need refinement for this feature. Impact on approach: We can build upon existing calculations, focusing on improving accuracy and adding real-time adjustments.

From a user experience perspective, how much control should the driver have over the alert system? For example, should they be able to set custom thresholds or preferences?

Why it matters: Influences the complexity of the user interface and the granularity of our alert system. Expected answer: Users should have some control, but with sensible defaults to ensure safety. Impact on approach: We'll need to design a flexible alert system that can accommodate user preferences while maintaining core safety features.

Tip

After clarifying these points, I'll proceed with the assumption that we have access to real-time BMS data, intermittent internet connectivity, basic route energy calculations, and the need for a customizable alert system.

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