Tesla Cybertruck key fob battery
1 of the 3 model years listed for the Tesla Cybertruck have a proven battery. The most common answer is No battery. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.
- 2024Key card
No battery
Owner's manual: tesla.com (checked Nov 1, 2026)
Manual text: “Tesla provides key cards that communicate ... using RFID”
- 2025-2026Key card
Not confirmed yet
Changing the battery
Card or phone key
- This entry uses a card key or a phone instead of a coin-cell fob.
- Passive cards draw power from the reader in the car, so there is nothing to swap.
No battery to replace for these years, per the source shown.
If a child might have swallowed a coin cell, treat it as an emergency and get to a hospital right away.