Final answer:
Before changing lanes or passing another vehicle, it's essential to check blind spots and mirrors, look over your shoulder, and signal your intention to ensure safety.
Step-by-step explanation:
Before changing lanes or attempting to pass another vehicle, you should follow all safety precautions which include:
- Checking your blind spots, mirrors, and looking over your shoulder toward the rear to ensure there are no vehicles in the lane you want to enter.
- Signaling your intention before changing lanes to inform other drivers of your planned actions.
- Doing all of the above actions to maintain safety on the road and abide by traffic laws.
It is not only a lawful requirement but also essential for your safety and the safety of others on the road. These steps help prevent accidents and enable smoother traffic flow.