To keep you safe, the triangle symbol on your car's dashboard will give you a heads-up if your tire pressure is low. On the other hand, some cars have a more specific tire pressure warning signal.

The pink triangle was used by LGBTQ+ activists as early as the 1960s, but it became more widely adopted during the 1980s as a symbol of resistance in response to the AIDs epidemic.

An article shared by President Trump featured an upside-down pink triangle, crossed out by a red "no" symbol. Why LGBTQ+ and Jewish advocates are alarmed.