Exact-code service & fitment

Toyota Prius ZVW30: Key-fob battery size & replacement

Different key systems in the same model family can use different coin cells, so keep the key type and exact vehicle evidence together.

1verified facts
2fitment references
1service references
1step-by-step guides
Before you buy or service: Confirm the physical key/transmitter type before buying a coin cell. Stop if the housing or battery arrangement differs from the cited configuration.
Exact answers

Specifications & capacities

1 source-backed
Smart key batteryCR1632Toyota Motor Corporation · verified Oct 5, 2026
Purchase-adjacent reference

Parts & fitment

2 exact references
BatteriesVerified Oct 1, 2026

Smart key battery

CR1632

Toyota’s ZVW30 owner manual specifies CR1632 for the electronic key. Confirm the key is original and matches the cited production-period design.

Toyota Motor Corporation source ↗
BatteriesVerified Oct 1, 2026

Smart key battery

CR1632

Applies to the cited ZVW30 owner-manual period; confirm the key type if the vehicle uses a replacement or non-original key.

Toyota Motor Corporation source ↗
Manufacturer-backed service

Maintenance & repair references

1 documented
electricalCondition based

Smart key battery replacement

Use a CR1632 battery for the documented ZVW30 smart key.

Replace when required; no time or distance interval is inferred.
Toyota Japan Prius 2010 owner manual ↗
Owner procedure

Step-by-step guides

Easy · 5 minutesHow to Replace a Toyota Prius ZVW30 Smart-Key BatteryThis guide is for the smart-key configuration covered by the ZVW30 source. Verify the key type if your housing differs.
Keep the exact code

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All ZVW30 facts & ownership data →Diagnose ZVW30 by symptom →Search all ZVW30 fitment references →Add to My Garage / Vehicle Passport →
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CarFactBook keeps manufacturer evidence, fitment notes and service caveats attached to the exact model code. This page is a reference layer, not proof of the condition or equipment of an individual used vehicle.