Revision question · Band 3 driving test, disabilities, law

What must you do when you hitch an unbraked trailer to a towing vehicle?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Fit a secondary coupling device

Grease the tow ball and hitch

Switch off the reversing sensor on the towing vehicle

Make sure you can see the trailer in the mirrors

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Fit a secondary coupling deviceThis was the right answer

If a tow hitch fails, the trailer must stay connected to the towing vehicle. This is achieved by using a secondary coupling device, such as a safety chain.

Reviewed reading for this question

Tow a trailer with a carReviewed guidance summary · The corrected category-BE lesson separates entitlement from capacity; a wider trailer needs towing mirrors and an unbraked trailer needs the required secondary coupling.

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