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MOT Test of Windscreen | Visibility | What is checked

MOT Test of windscreen

Visibility (3)

Formerly MOT Test of Windscreen

The MOT windscreen Test includes all items affecting the driver’s view of the road: the condition of the windscreen, the wipers and washers.

Satnavs in the windscreen, furry dice, air fresheners or trinkets hanging from the mirror are not allowed. (The Tester may remove them with your permission).

On the basis that a bonnet which flies up while the vehicle is moving will obscure the driver’s vision, the MOT Test of the bonnet catch is now included in this section.

The condition of the windscreen and the windows on either side of the driver’s seat will be checked.

The Tester will sit in the driver’s seat, check the view of the road and check the view of mandatory external mirrors for:

Failure for damage is only justified if the damage significantly affects the driver’s view of the road.

Failure for tinting or discolouration will only apply if the driver’s view is significantly affected.

Zone ‘A’ is:

centred on the steering wheel

Official stickers (any used in connection with road enforcement, security or crime prevention matters) that are not readily removable are only a reason for rejection if they restrict the driver’s view.

The following are only considered a defect if they seriously restrict the driver’s view:

Additional interior mirrors and externally mounted items such as mascots and spare wheels aren’t part of the test.

Repaired windscreens must be judged solely on whether the repair interferes with vision. An ‘invisible’ or barely detectable repair, finished flush with the surrounding glass, doesn’t count as damage.

The following categories apply to defects in this section:

Defect Category
a. An obstruction:
i. within the driver’s field of view that materially affects his view in front or to the sides outside the swept area of windscreen
ii. materially affecting the driver’s view of the road through the swept area of the windscreen or an obligatory external mirror not visible
b. A bonnet:
i. which cannot be safely secured in the closed position
ii. seriously at risk of opening inadvertently
c. A bonnet primary retaining device excessively deteriorated, ineffective or insecure

View to the rear


The Tester will check that all mandatory rear-view mirrors or indirect vision devices provide an adequate view to the rear from the driver’s seat.

Indirect vision cameras may replace mirrors on some vehicles. If such devices are fitted, the camera(s) and the screen will be inspected.

Rear view mirrors and indirect vision devices can be any of the following positions:

The following categories apply to defects in this section:

Defect Category
a. Obligatory mirror or device missing
b. Obligatory mirror or device:
i. slightly damaged or loose
ii. inoperative, excessively damaged or insecure
c. Obligatory mirror or device not providing an adequate view to the rear

Windscreen wipers

  • operation
  • extent of area swept by the wipers
  • condition of the wiper blades.

Windscreen wipers are not Tested on vehicles with:

A windscreen wiper will only be rejected if it’s clearly damaged or worn.

The following categories apply to defects in this section:

Defect Category
a. Wiper not operating or missing
b. Wiper blade:
i. defective
ii. missing or obviously not clearing the windscreen

Windscreen washers

The following category applies to defects in this section:

Defect Category
a. Windscreen washers not working or not providing sufficient fluid to clear the windscreen

Link to all MOT Test procedures and failure items descriptions HERE

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