(1)  To give a hand signal for stopping or suddenly slowing, the driver must extend the right arm and hand at right angles from the right side of the vehicle, with the upper arm horizontal and the forearm and hand pointing upwards, and with the hand open and the palm facing the direction of travel.

(2)  However, the rider of a motor bike or quad bike may give the hand signal by extending the left arm and hand at right angles from the left side of the bike, with the upper arm horizontal and the forearm and hand pointing upwards, and with the hand open and the palm facing the direction of travel.

Note 1

Motor bike is defined in the dictionary.

Example 1

Giving a hand signal for stopping or suddenly slowing.