Flashing headlights danger a hoax
A letter circulating on social media warning drivers not to flash their headlights at oncoming cars as they could become the victim of gang initiation is a hoax, police say.
The warning is on the letterhead of security company Chubb and makes reference to the police.
The message is a recurring hoax and should be ignored, police said.
Variations on the message had been circulating for many years and reappeared every so often.
They urged anyone receiving the letter through social media or email to delete it.
"Do not forward it, and if you are aware of someone discussing the letter, then tell them it is a hoax," a police statement said.
Police first issued a warning about a variant of the message in February 2008.
It was believed to have been around for up to 20 years and originated overseas.