Always change from high beam to low beam to avoid blinding the other person, then avoid looking directly at the headlights of the other vehicle to keep a good view.
Answer 2 is incorrect because switching from low beam to high beam, answer 3 is incorrect because looking directly at the oncoming traffic lights
Switching from high beam to low beam; do not look directly at the lights of the oncoming vehicle but look to the right in the direction of your vehicle's movement.
Switching from low beam to high beam; do not look directly at the lights of the oncoming vehicle but look to the right in the direction of your vehicle's movement.
Change from high beam to low beam; look directly at the lights of oncoming vehicles to avoid the vehicle for safety.