When should you signal before making a turn or changing lane?

• At least 100 feet in advance.
  Explanation:

  "

  Drivers must signal at least 100 feet before making a turn or changing lanes to ensure the safety of all road users. This advance signaling gives other drivers, cyclists, and pedestrians enough time to anticipate your actions and react accordingly, reducing the risk of accidents.

  "
• As you begin to turn the steering wheel.
• After you have completed the maneuver.
• Only when there are other vehicles directly behind you.