When should mirror adjustments be made?

Answer: B — Before the start of a trip

Making mirror adjustments before the start of a trip is essential for ensuring safety on the road. Properly adjusted mirrors provide the best possible field of view around your vehicle, which is crucial for detecting other vehicles, pedestrians, and obstacles. When you adjust your mirrors before driving, you can minimize blind spots and enhance your overall awareness of your surroundings, allowing for safer maneuvers such as lane changes and turns. Adjusting mirrors only when the vehicle is stopped might not take into consideration the driver’s seating position and sightlines, which can change during travel. Similarly, waiting until after a trip is completed would fail to address any visibility issues that may arise during the journey. Moreover, adjusting mirrors every hour of driving can be impractical and might distract from focusing on the road. It's best to ensure everything is set correctly before beginning your trip to maximize safety throughout your drive.