What should drivers do during a routine pre-trip inspection?

Answer: B — Conduct a comprehensive check of all vehicle functions

During a routine pre-trip inspection, drivers should conduct a comprehensive check of all vehicle functions. This thorough approach is crucial because it ensures that all critical components of the vehicle are in proper working condition before hitting the road. A well-rounded inspection includes examining the brakes, lights, tires, fluid levels, and other mechanical features to identify any potential safety issues. Focusing solely on just one area, such as brakes, tire pressure, or the engine, could overlook other significant safety hazards that may arise, leading to unsafe driving conditions. Therefore, a comprehensive check is fundamental, not only for the safety of the driver but also for the safety of others on the road.