Show Me, Tell Me for LGV/HGV Drivers

Navigating the Essential Safety Checks

Aspiring LGV and HGV drivers face a crucial component in their driving test – the “Show Me, Tell Me” questions. These questions are a key part of the HGV 3B driving test, testing your knowledge and ability to perform important safety checks on your vehicle. You will be asked up to five of these questions, and being well-prepared can make a significant difference. 


Key “Show Me, Tell Me” Questions for LGV/HGV Drivers

1. Securing Doors and Cargo: You might be asked to show how to ensure that all doors, including cargo doors, are securely closed and locked. This check is fundamental to ensure the safety of the goods being transported and other road users.

2. Checking for Air Leaks: Demonstrating how to check for air leaks is crucial. This involves charging the air tanks and observing the gauges for any drops in air pressure, as well as listening for leaks during a walk-around of the vehicle

3. Load Safety: One of the “tell me” questions may involve explaining the main safety factors in loading the vehicle. This includes ensuring the load is evenly distributed, within size and weight limits, and secure enough to prevent movement or falling during transit.

4. Reflectors and Visibility: Checking the condition of the vehicle’s reflectors is vital. This involves ensuring they are all present, clean, and functional.

5. Windscreen and Windows Condition: Maintaining clear visibility is non-negotiable. You should be able to tell how to ensure the windscreen and windows are clean, clear, and free from obstructions or defects.

6. Mudguards Inspection: You may need to show how to check the condition of the mudguards, ensuring they are securely attached and the spray suppression equipment is in place.

7. Tyre Safety: It’s critical to know how to check that the tyres are correctly inflated, have sufficient tread depth, and are generally safe for road use. This includes understanding the manufacturer’s guidelines and using appropriate equipment for these checks.

8. Windscreen Wiper Functionality: The condition of windscreen wipers is a simple yet crucial safety aspect. This check ensures they operate correctly and the blades are in good condition. Know where the washer reservoir is and how you check levels..

9. Vehicle Body Inspection: Part of the daily checks should include ensuring the vehicle’s body is roadworthy, with no significant defects, loose panels, or items that could endanger other road users.

10. Air Pressure and Engine Oil Checks: You should know how to check for correct air pressure and identify the engine oil level, ensuring it is within the safe operating range. 

11. Wheel Nuts Security: A visual check to confirm that the wheel nuts are secure is essential. This includes checking for any that are obviously loose and ensuring wheel nut indicators (if fitted) are aligned. 

12. Audible Warning Devices: Demonstrating the check of audible warning devices, such as the horn, reversing warning device, or ‘vehicle turning left’ external audio warning is also a likely question. 

13. Condition of the Suspension on the vehicle: A visual check of the suspension on the vehicle to check for damage or deterioration – know and understand which type of suspension your vehicle has. 

14. Are the brake lights working on the vehicle:  A critical safety check that should be carried out before driving the vehicle.  You can ask the examiner to assist with this check or utilise reflections from windows etc 

15. Headlamps, sidelights and tail-lights: explain how you would check they are working and operate them individually, as part of your vehicle checks. 

16. Power Assisted Steering: Check that it is operational and demonstrate how you would check it is working. 

17. Direction Indicators:  A critical check, operate them, check they work. 

18.  Instrument Checks:  Perform a system start up check, with the ignition on, then ensure that any warning lights extinguish once the engine has started. 

19. Rear Fog Light:  Switch on the rear fog light and explain when you would use it. 

20. Dipped Beam and Main Beam:  Know how to switch the headlights from dipped beam to main beam. 

21. Tachograph:  Know how to locate the tachograph unit and know how to correctly insert the card. 

22. Loading Mechanism:  Know how to operate the tail lift for example. 

23. Fire Extinguisher and First Aid Kit:  Know where these are located within the vehicle. 

24. Windscreen Demister: Be able to set the controls to demist the windscreen. 

25. Cab Tilt Locking Mechanism:  Be able to tell the examiner how you can check that this is locked. 


Tips for Success

  • Familiarise yourself with Your Vehicle: Know where all the relevant parts and components are located in your vehicle. 
  • Understand the Why: Don’t just learn the checks; understand why they are important. This understanding will help you answer confidently and accurately. 
  • Practice Regularly: Regularly perform these checks as part of your routine, so they become second nature. 
  • Listen keenly: Has the examiner asked you to show them, or tell them? 

Remember, these “Show Me, Tell Me” questions are not just for passing your test; they are vital for your safety and that of other road users throughout your driving career.