Final answer:
The safest action when facing bright or blinding headlights at night is to look away from the lights and focus on the road, using the white line or the road edge as a guide.
Step-by-step explanation:
If you meet a vehicle at night with bright or blinding headlights, the safest thing to do is to look away from the headlights and focus on the road ahead. This technique helps to avoid being temporarily blinded by the glare, which can distract you from driving safely. It is not advisable to flash your headlights as this may confuse or blind the other driver. Speeding up is also unsafe as it increases the risk of an accident. Slowing down and pulling over should only be done if it is safe to do so, and typically it's not necessary just for oncoming headlights. Instead, you can adjust your gaze to the white line on the right side of the road or the right edge of the pavement to help guide your driving while the oncoming car passes.