What should you check first when changing lanes or preparing to pass?

When changing lanes or preparing to pass, the first step you should take is to check your mirrors. This action is critical because it allows you to be aware of your surroundings, including the position of other vehicles, cyclists, or pedestrians. By looking in your mirrors, you can ensure that it is safe to make the maneuver without cutting off or endangering another road user.

Checking your mirrors helps to establish a clear view of the traffic conditions before you make any lane changes or passes. It is an essential part of the safe driving process, as it helps prevent accidents and improves overall situational awareness.

While checking the speedometer is important for maintaining a safe speed, and looking ahead at the road is crucial for spotting potential hazards, these actions typically follow the initial step of using your mirrors to assess the space around your vehicle. Similarly, a GPS is useful for navigation but does not provide the immediate situational awareness necessary for safely changing lanes.