When changing lanes:

Question

Always change lanes slowly and smoothly to maintain control of your vehicle. Doing this will also allow a driver that you did not see time to move out of the way of your vehicle. Use the proper turn signal to communicate with other road users.

Accepted Answer

You should move your vehicle slowly.

Answer

You should move your vehicle quickly.

Answer

The move should be made with a jerking motion.

Answer

You do not need to use a turn signal.