Try a Practice LORRY Theory Test Question (98 of 104)

Q: Your vehicle is fitted with air brakes. What does it mean if a brake warning light shows when you've just started the engine?
A: Low air pressure
A: Increased air pressure
A: The parking brake isn't working
A: The air reservoirs are fully charged
Learn your theory >>
If you're looking for an earlier driving test we can help: www.driving-test-cancellations-4all.co.uk