key fob

US /ˈkiː fɑːb/
UK /ˈkiː fɑːb/
"key fob" picture
1.

chaveiro remoto, chave inteligente

a small remote control device that allows you to lock and unlock a car or other vehicle without using a key, and often to start the engine or open the trunk remotely

:
I accidentally locked my key fob in the car.
Eu acidentalmente tranquei meu chaveiro remoto no carro.
My car's key fob needs a new battery.
O chaveiro remoto do meu carro precisa de uma bateria nova.