What security precautions should you take if you're carrying a high-value load and have to park and sleep overnight in the cab? What security precautions should you take if you're carrying a high-value load and have to park and sleep overnight in the cab?

• Possible answers:

   
• A. Lock the doors but leave a window open for ventilation
• B. Make sure the doors and windows are secure
• C. Stay at the same location regularly
• D. Park in a quiet, unlit, non-residential area