Traffic safetyQuestion #16424
Can high beam be used as a warning signal if it might dazzle other drivers through their rear-view mirror?
Explanation
The traffic rules forbid using high beam as a warning signal if it might dazzle other drivers, including those travelling the same way who are dazzled through their rear-view mirror.
KET reference: KET 90: it is forbidden to use high beam as a warning signal if it might dazzle other drivers (including through the rear-view mirror).