Professional drivers sometimes use their turn-signal lights (also called flashers) to send a message to other motorists, which unfortunately can cause confusion and result in regrettable accidents.
The Highway Safety Code specifies how to use turn-signal lights. Drivers must signal their intention by means of their turn-signal lights before:
To ensure the safety of road users, drivers must signal their intention to execute a manoeuvre in a continuous manner over a long enough distance. Once the manoeuvre has been completed, it is just as important to turn off the turn-signal lights to avoid any confusion..