tests.get-dpt-app

Properly adjusted crossover mirrors allow you to see all of the following, except:

Properly adjusted crossover mirrors on a school bus should allow the driver to see the entire area in front of the bus, from the front bumper at ground level to a point where direct vision is possible. The mirrors should also display the right and left front tires touching the ground, as well as the area from the front of the bus to the service door.