Not quite!

Q: What should a driving-test candidate do if their inertia-reel seat belt has temporarily locked and they cannot put it on at the start of their test?
Correct answer:
Put it on as soon as the belt has released
Explanation
Exemptions are provided in the regulations. If an inertia-reel seat belt has temporarily locked because the vehicle is parked on a gradient, the driver may move the vehicle. As soon as the mechanism has unlocked and released itself, the driver should stop and apply the belt.
Learn your theory >>
If you're looking for an earlier driving test we can help: www.driving-test-cancellations-4all.co.uk