Final answer:
When blinded by oncoming lights at night, one should look toward the right edge of the road and avoid switching to high beam or turning lights on and off.
Step-by-step explanation:
When driving at night and you find that the oncoming lights are blinding you, the appropriate action to take is to look toward the right edge of the road. This practice enables you to avoid being blinded by the lights while still being able to see enough of the road's edge to stay in your lane. It is also essential not to switch your lights to the high beam in this situation because doing so could blind the oncoming driver, increasing the risk of an accident. Similarly, turning your lights on and off can be confusing or distracting to other drivers and is not a recommended action.