When preparing to pass on the left, it is best to:

Question

When passing a vehicle on its left, you should get into the left portion of your lane, signal, and use your mirrors and turn your head to check for traffic. When it is safe to do so, move into the passing lane and accelerate, riding through the other vehicle's blind spot as quickly as possible. Finally, signal again and do mirror and head checks before returning to your original lane.

Accepted Answer

Signal, check your left mirror, look left, and move into the passing lane.

Answer

Signal, immediately move into the passing lane, and accelerate.

Answer

Signal, check your left mirror, and move into the passing lane.

Answer

Signal, accelerate, and move into the passing lane.