2021Honda Civic Sedan Key fob battery

Depends on your key type. Choose yours, or compare them here.
- Master Keys with Remote Transmitter CR1620
- Smart Entry Remote CR2032
CR1620
Master Keys with Remote Transmitter
CR2032
Smart Entry Remote
Owner's manual · p. 560, p. 561 ↗Added Oct 15, 2026
See where it's printed
Key fob battery · Master Keys with Remote Transmitter · p. 560
Battery type: CR1620
Key fob battery · Smart Entry Remote · p. 561
Battery type: CR2032
Owner's manual · p. 560 ↗Added Oct 15, 2026
See where it's printed
Key fob battery · Master Keys with Remote Transmitter · p. 560
Battery type: CR1620
Owner's manual · p. 561 ↗Added Oct 15, 2026
See where it's printed
Key fob battery · Smart Entry Remote · p. 561
Battery type: CR2032
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| Master Keys with Remote Transmitter | CR1620 | “Battery type: CR1620” | p. 560 ↗ |
| Smart Entry Remote | CR2032 | “Battery type: CR2032” | p. 561 ↗ |
Scroll the table to see the quote and page →
CR1620 coin battery
Shop on Amazon For Master Keys with Remote Transmitter
CR2032 coin battery
Shop on Amazon For Smart Entry Remote
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