Product design question
Design a self drive car rental Mobile app.
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What this question tests
Tests mobile marketplace product design: balancing trust, vehicle logistics, and a smooth self serve rental flow.
How to approach it
- Define the two sides: vehicle owners or fleet operators listing cars, and renters who want to book and unlock a car without staff present.
- Identify the core trust needs: renter identity verification, vehicle condition documentation, and damage dispute resolution.
- Propose the core flow: browse nearby available cars, book instantly, unlock via app based digital key, and return with photo documented condition.
- Address operational logistics: vehicle cleaning, fuel or charge level, and location based availability accuracy in real time.
- Define success: booking to completed rental conversion rate and dispute rate per completed rental.
- Confirm with the interviewer whether this is peer to peer, like Turo, or a fleet operated model, like Zipcar.
What a strong answer includes
- Grounds trust in a specific mechanism, photo documented vehicle condition at pickup and drop off, reducing disputes over pre existing damage.
- Proposes digital key unlock via the app, removing the need for staff handoff and making the self drive experience genuinely self service.
- Addresses real time availability accuracy, since renters need confidence a listed car has enough fuel or charge and is actually where the app says.
- Sets a measurable goal, for example a stated reduction in booking to pickup dispute rate after introducing photo documentation.
Common mistakes
- Ignoring the operational reality of vehicle condition, fuel level, and cleanliness that make self drive rental harder than ride hailing.
- Designing trust features only for renters while ignoring what protects vehicle owners or fleet operators from damage or misuse.
Likely follow-up questions
- How would you resolve a dispute when both renter and owner disagree about damage?
- How would this differ for a peer to peer model versus a company owned fleet?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop