What is the best technique to use if you are approaching another driver with their high beams?

If you are approaching another driver with their high beams on, the best technique is to briefly look to the right side of the road to avoid being blinded by the glare. This helps you maintain your lane and assess your surroundings. You can also adjust your speed as necessary and, if safe, flash your high beams once to alert the other driver to lower their lights. Always prioritize safety and be prepared to react if visibility becomes compromised.