Mark one answer
The steering lock is engaged
The diff-lock is engaged
The twist lock is disengaged
The diff-lock is disengaged
Explanation: Attempting to drive at normal speeds with the diff-lock engaged is dangerous; it will severely affect your steering control. The diff-lock is designed to be used in slippery conditions, at low speed, when maximum traction is required.
Category: Vehicle Condition
References: The Official DVSA Guide to Driving Goods Vehicles: Section 4
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