Which of these is a good thing to remember about using mirrors?

Question

Accepted Answer

A: There are blind spots that your mirror cannot show.. Vehicles have blind spots around your car that you cannot see in your mirrors (hence, blind spots). Before changing lanes, swerving, or making a turn, make it a habit to check your mirrors for any vehicles in your blind spots.

Which of these is a good thing to remember about using mirrors?

Maryland CDL General Knowledge Test Info