Your vehicle has double rear wheels. Why should you check them before leaving a building site? Your vehicle has double rear wheels. Why should you check them before leaving a building site?

• Possible answers:

   
• A. To make sure the diff-lock is engaged
• B. To make sure the diff-lock is disengaged
• C. To check that the load-sensing valve is operating correctly
• D. To make sure bricks or debris aren't wedged between the wheels