Home › CDL Practice Tests › General Knowledge Questions › Question 52
How often should you check your mirrors while driving?
- A.Only before changing lanes
- B.Regularly, every few seconds, as part of your overall scan of the road
- C.Once every few minutes on the highway
- D.Only when you hear a horn
Correct answer
B. Regularly, every few seconds, as part of your overall scan of the road
Why
Traffic around a truck changes constantly, and regular mirror checks keep you aware of vehicles entering your blind spots. Mirror checks are part of scanning, along with looking far ahead and watching the sides.
Manual topic: Safe Driving - Seeing · From the General Knowledge practice bank (GK-052).