You're driving down a snow-covered hill. Why should you take care when using an independent endurance brake (retarder)?

Possible Answers:

a. Your brakes could overheat

b. Your speed could increase

c. Compressed air could escape

d. The drive wheels could lock

Think you know the answer to this theory test question?

Crown copyright material is reproduced under licence from the Driver and Vehicle Standards Agency, which does not accept any responsibility for the accuracy of the reproduction. The Driver and Vehicle Standards Agency does not endorse in any way any advertisement displayed on this website.