Final answer:
No, you should not flash your high beams if an oncoming driver fails to dim his lights. Dim your own lights instead to avoid blinding the other driver.
Step-by-step explanation:
No, you should not flash your high beams if an oncoming driver fails to dim his lights. Instead, you should dim your own lights to avoid blinding the other driver. Flashing your high beams can be interpreted as aggressive or confrontational, and it may escalate the situation on the road. It is important to prioritize safety and be considerate of other drivers.