Even with correctly adjusted mirrors, to make sure no vehicle is in the blind spot before changing lanes you must:
En español: Aunque los espejos estén bien ajustados, para asegurarse de que no hay ningún vehículo en el ángulo muerto antes de cambiar de carril hay que:
A
Rely only on the rear-view mirrors
B
Turn your head and look through the side window
Correct answer
C
Sound the horn to warn
D
Accelerate to get ahead of any possible vehicle
Why this is the correct answer
There is always a blind spot on both sides of the vehicle that the mirrors do not cover. To check it, you must turn your head slightly and look through the side window.
Topic:
Safe and Economical Driving