When should you use your mirrors?
- A As you signal
- B To check the blind spot
- C Occasionally
- D Before opening your door
Why this is the answer
You must be aware of the position of other road users, so that you know how they may be affected by your actions. Before opening your door, it's important to check the mirrors, as well as looking around for passing or approaching vehicles and pedestrians.
Why the other answers don't fit
- A
- As you signal — Mirrors come before the signal, not with it.
- B
- To check the blind spot — Mirrors cannot show the blind spot; that is what makes it blind.
- C
- Occasionally — Occasional use is not a routine, and mirror work is a routine.
Where this comes from
- Driving Goods Vehicles — section 3, section 4
Rule numbers link to The Highway Code on gov.uk.
Where this question comes from
The question, its options and the explanation are reproduced word for word from the DVSA revision question bank under licence. The licence requires them to appear unaltered, so we cannot reword them and neither can anyone else — that is why you will meet the same wording on other sites. Everything else on this page is written by Theory Hub: the explanation of why each wrong answer is wrong, the topic guide and the revision notes.
Asked in: Lorry & Bus (LGV/PCV)
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