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Mirror checks, blind spots and how a large vehicle limits what you can see.
What this topic covers
Mirror checks, blind spots and how a large vehicle limits what you can see. The full LGV Theory Test app contains 33 questions on this topic, drawn from the official DVSA bank.
Worked examples
Here are a few practice questions from this topic. Try answering each before reading the explanation.
Example 1
Some lorries have an extra mirror angled down towards the nearside front wheel. This mirror is ESPECIALLY useful when
- A. moving off ✓ correct
- B. parking ✓ correct
- C. checking your trailer
- D. turning right
- E. overtaking
Explanation: Sitting in a high cab doesn’t always give you all-round visibility. Other road users might assume that you can see them and position themselves out of sight close to your vehicle. Making good use of any extra mirrors can help prevent dangerous incidents with less experienced road users, especially when turning left.
Example 2
You are driving this lorry and turning right from this minor road. What should you be ESPECIALLY aware of?
- A. Motorcyclist from the right passing the parked van ✓ correct
- B. Vehicles coming from the left along the main road
- C. Pedestrians on the footpath on the main road
- D. Vehicles coming from the rear on the minor road
Explanation: Parked vehicles near junctions can hide smaller road users such as cyclists and motorcyclists. Double-check before emerging with a large vehicle. If in doubt, move forward slowly into a position where you can safely have another look.
Example 3
What should you first check before moving to the LEFT?
- A. The nearside mirror ✓ correct
- B. The offside mirror
- C. Behind, over your right shoulder
- D. Behind, over your left shoulder
Explanation: Before you make a turn or a change of direction, however slight, you should always check the mirrors. If you intend to turn left, check your left-hand (nearside) mirror first.
Example 4
To have good all-round vision you should make sure that
- A. windows are open
- B. a sun visor is fitted
- C. your seat is properly adjusted ✓ correct
- D. all lights are clean
Explanation: Large vehicles are designed for their specific function, and this often means the shape and size can impair all-round visibility for the driver. You must make sure that you adjust the seat so that you’re able to reach all the controls and see in all the mirrors. You should be seated in such a way that you’re able to lean out of the window and check all offside blind spots.
Get all 33 questions on this topic in the LGV Theory Test app.
