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Your lorry is stuck in snow. You use the diff-lock to move off. When should you switch the diff-lock off?

Question Topic: Braking Systems
Saved Questions | Completed Questions Incomplete Questions Question Topic: Braking Systems
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Once the engine has warmed up
As soon as the snow has cleared
Only after selecting top gear
As soon as the vehicle is moving
← When is an articulated vehicle most at risk of jack-knifing? You're driving an articulated lorry that has three air lines connected to the trailer. What's the purpose of the red line? →

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