Group 3 · Faults that prohibit operating a vehicle · Question 32 of 59
A vehicle may not be operated if:
Choose an answer to check yourself.
Answer and explanation
Correct answer: The remaining tread depth of the tires on a passenger-car trailer is less than 1.6 mm.
Explanation
Tread depth norms for trailers are the same as for the vehicle towing them, and for a passenger car the minimum is 1.6 mm, so less than that is a fault. At the rear, lighting devices other than reversing and plate lamps may have red, yellow or orange light, so orange rear turn signals are allowed (Rules, Annex 2, items 4(1) and 3(6)(b)).

