Why should a driver verify that all exterior compartment doors and access panels are fully latched before departure?

Pick an answer

1. Latching is purely a cosmetic step with no functional importance
2. Compartment doors only need checking after the trip is completed
3. This check applies only to compartments carrying passenger luggage over 100 pounds, since lighter loads are unlikely to affect the latch
4. An improperly latched door could open unexpectedly during travel, creating a hazard or losing cargo

Correct!

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