Traction, Tyres and Brakes

What is the function of the service brake?

Question image: What is the function of the service brake?
  • It is the foot brake acting on all wheels
  • B It immobilises the parked vehicle
  • C It only brakes the rear wheels by hand
  • D It is only for hill starts

Why this is the correct answer

The service brake is the foot brake that acts on all wheels and is the one normally used to slow down or stop the vehicle.

Ready to pass the DGT theory test?

Practise official-format questions in English, with explanations after every answer and full progress tracking.

Try a free practice test