When changing lanes you should not:

Before changing lanes, check your side and rearview mirrors for traffic approaching you from behind. Use your turn signal to let other drivers know you plan to change lanes. Check for other drivers who also may be moving into the same lane.

• Check your side and rearview mirrors.
• Give a turn signal to signal your intentions.
• Check for other drivers who may be moving into the same lane as you.
• Use your cell phone to contact the police to determine if the road ahead is clear.