DVSA says: "This short video shows some of the checks that you should do. Read the full list in this guide for more details."
That guide is available here.
DVSA adds: "You’re responsible for making sure your vehicle is safe to drive. Carry out a walkaround check of the vehicle before your journey to make sure it’s safe. Report any defects in writing to the person in charge of sorting out vehicle defects in your organisation."
