What is the best practice to avoid collisions with vehicles in your blind spots?

• Adjust your rear-view mirrors to ensure maximum visibility
• Honk your horn right before turning or changing lanes to alert other drivers
• Quickly glance over your shoulder to check your blind spot before changing lanes
  Explanation:

  "

  The best practice to avoid crashes with vehicles in your blind spots is to physically check your blind spot by quickly turning your head and looking over your shoulder before changing lanes.

  "
• Assume that other drivers will accommodate your lane change and proceed