built-in
US /ˌbɪltˈɪn/
UK /ˌbɪltˈɪn/

1.
incorporado, integrado
included as part of something and not separate from it
:
•
The new car has a built-in navigation system.
El coche nuevo tiene un sistema de navegación incorporado.
•
The apartment comes with built-in wardrobes.
El apartamento viene con armarios empotrados.
2.
inherente, intrínseco
existing as a natural or essential part of something
:
•
There's a built-in risk in any investment.
Hay un riesgo inherente en cualquier inversión.
•
The system has built-in safeguards against errors.
El sistema tiene salvaguardas incorporadas contra errores.