Here is a goal: Make sure headlights are aligned.

How would you accomplish this goal?

Choose your answer from:
[A]. Face a garage door or large wall at night. Turn headlights on and make adjustments according to your manual so that the lights are pointing in the same direction and at the same level on the wall or door..
[B]. Face a garage door or large wall at night. Turn headlights off and make adjustments according to your manual so that the lights are pointing in the same direction and at the same level on the wall or door..
[A].