co-driver
US /ˌkoʊˈdraɪ.vər/
UK /ˌkoʊˈdraɪ.vər/

1.
copiloto, navegante
a person who navigates for the driver in a rally or other motor race
:
•
The co-driver read out the pace notes to guide the rally car.
El copiloto leyó las notas de ritmo para guiar el coche de rally.
•
A good co-driver is essential for success in rally racing.
Un buen copiloto es esencial para el éxito en las carreras de rally.