What is a common driving habit required by law?

Always signaling when changing lanes is a fundamental driving habit required by law as it enhances safety for all road users. Using turn signals not only communicates the driver's intentions to other motorists, pedestrians, and cyclists but also helps to reduce the risk of accidents. It provides clear indications of a driver’s actions, allowing others to anticipate and react accordingly. This practice is a crucial component of defensive driving, promoting informed decision-making on the road.

In contrast, using your phone while driving is generally prohibited in many jurisdictions as it distracts the driver from the road. Driving with headlights off at night poses visibility hazards and can lead to dangerous situations. Overtaking without signaling endangers both the driver and other road users by creating confusion regarding the movements of the vehicle.