If your vehicle has emergency shut-off systems, you must:

Make sure they work. Section 8.1.2: If your vehicle has emergency shut-off systems, make sure it works.

If your vehicle has emergency shut-off systems, you must:

ANSWER BREAKDOWN
  • A. Correct. If your vehicle has emergency shut-off systems, make sure it works.
  • B. Incorrect. "Disconnect them before driving" is not correct. If your vehicle has emergency shut-off systems, make sure it works.
  • C. Incorrect. "Only use them when loaded" is not correct. If your vehicle has emergency shut-off systems, make sure it works.
  • D. Incorrect. "Paint them red" is not correct. If your vehicle has emergency shut-off systems, make sure it works.