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Toyota Prius Smart Key & Remote Battery by Chassis Code
Which battery is used in the documented key system? Compare actual published manufacturer references for 4 exact Toyota Prius chassis codes. Values can differ across drivetrain, trim and production period.
4documented chassis
2distinct published answers
2source documents
2026-10-05latest evidence review
Before applying a specification
View all Toyota Prius chassis →Confirm the engineering configuration
Different key or remote variants may ship with different coin cells even within the same model family. Match the actual fob, not just the vehicle name.
Year ranges here describe the cited chassis coverage, not every option sold under the same model name worldwide. The actual service manual and fitted equipment take precedence.
Source-linked answers
Smart Key & Remote Battery: chassis comparison
Open the original exact-code answer to see the manufacturer reference and full caveat.
| Exact code | Documented years | Key battery reference | Manufacturer source |
|---|---|---|---|
| ZVW30 | 2009–2015 | CR1632 ↗ | Toyota Motor Corporation ↗Checked 2026-10-05 |
| ZVW50 | 2015–2018 | CR2032 ↗ | Toyota Motor Corporation ↗Checked 2026-10-04 |
| ZVW51 | 2015–2018 | CR2032 ↗ | Toyota Motor Corporation ↗Checked 2026-10-04 |
| ZVW55 | 2015–2018 | CR2032 ↗ | Toyota Motor Corporation ↗Checked 2026-10-04 |
Documented differences
Which codes share an answer?
Grouped by exact published text. Similar wording is not treated as proof of identical equipment.
Reviewable evidence
Source scope and important caveats
Toyota Prius ZVW30 — Smart key battery ↗
Published answer: CR1632
Toyota Prius ZVW30 smart-key battery is CR1632. Toyota’s ZVW30 owner manual specifies this lithium coin cell for the electronic key.
Applicability: Applies to the cited ZVW30 owner-manual period; confirm the key type if the vehicle uses a replacement or non-original key.
Toyota Japan Prius 2010 owner manual · Toyota Motor Corporation · Manufacturer reference ↗
Toyota Prius ZVW50 — Smart key battery ↗
Published answer: CR2032
Toyota’s Prius FAQ lists CR2032 for hybrid-model electronic keys from the December 2015 model change through the January 2023 model change.
Applicability: Applies to the electronic smart key for the cited Prius generation; identify the installed key before replacement.
Toyota Japan Prius electronic-key battery FAQ · Toyota Motor Corporation · Manufacturer reference ↗
Toyota Prius ZVW51 — Smart key battery ↗
Published answer: CR2032
Toyota’s Prius FAQ lists CR2032 for hybrid-model electronic keys from the December 2015 model change through the January 2023 model change.
Applicability: Identify the installed electronic key before replacement.
Toyota Japan Prius electronic-key battery FAQ · Toyota Motor Corporation · Manufacturer reference ↗
Toyota Prius ZVW55 — Smart key battery ↗
Published answer: CR2032
Toyota’s Prius FAQ lists CR2032 for hybrid-model electronic keys from the December 2015 model change through the January 2023 model change.
Applicability: Identify the installed electronic key before replacement.
Toyota Japan Prius electronic-key battery FAQ · Toyota Motor Corporation · Manufacturer reference ↗