Unit 03, Lesson 03 - Laws Pertaining to Signaling

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Front and side turn signals are visibly illuminated: By Scheinwerfermann at en.wikipedia, CC-BY-SA-3.0, from Wikimedia Commons
 
Signals shall be given by the use of turn signals, stoplights, or your hand and arm. Good drivers always signal their intentions well in advance. Signals are required:
  1. For two seconds before turning.
  2. For two seconds before beginning any lane change.
  3. Any time you pull away from a curb.
  4. When you intend to slow down or stop. Your brake lights will accomplish this if they are operating properly and can readily be seen.
  5. In addition, most cars have an emergency flasher system for use when your car is disabled on the highway. Use it.
 
Hand and arm signals