C-24.2 - Highway Safety Code

Full text
373. The driver of a road vehicle exempt from the requirement to be equipped with turn-signal lights, or on which such lights are defective, must signal his intention by manual signals.
To make a right turn, he must extend his forearm vertically upwards outside the vehicle and to make a left turn, he must extend his arm horizontally outside the vehicle.
1986, c. 91, s. 373.