1. When overtaking or the vehicle in front does not move when the light turns green. Light language: Flash the headlights.
2. Encounter strong flashing lights at night. Light language: flash the headlights twice to alert oncoming vehicles.
3. It is found that there is a problem with the neighboring car. Light language: The headlights flash three times.
4. When driving, you must merge. Light language: A flash of the headlights means "Agree", and a continuous flash of the headlights means "Reject".
5. The car behind you is following too closely. Light language: Brake lights are on intermittently.
6. Emergency braking light language: turn on the double flash in time
7. Emergency light language: three high beams plus double flashes
8. If there is an emergency and other vehicles need to give way, the light language: sound the whistle and turn on the high beam.
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