What should a driver do to secure the towing vehicle before unhitching a trailer?
- A Apply the handbrake; switch off the ignition and engage a low gear.
- B Lower the jockey wheel and then switch off the ignition.
- C Disconnect the electrical supply to the trailer lights and lower the jockey wheel.
- D Apply the handbrake; lower the jockey wheel and switch off the engine.
Show answer & explanation
Correct answer: Apply the handbrake; switch off the ignition and engage a low gear..
Before unhitching a trailer; apply the handbrake; switch off the ignition and engage a lower gear; so that the towing vehicle does not move while you are unhitching the trailer.
Before unhitching a trailer; apply the handbrake; switch off the ignition and engage a lower gear; so that the towing vehicle does not move while you are unhitching the trailer.