What does "shift to drive" refer to?

"Shift to drive" refers specifically to the action of changing the gear of an automatic transmission vehicle from a lower gear or neutral into the drive position after performing a maneuver, such as stopping, reversing, or preparing to move forward from a stationary position. This action prepares the vehicle to move forward under normal driving conditions.

In this context, the practice of shifting to drive is crucial for ensuring that the vehicle operates smoothly and safely when transitioning from a stop or another gear. It signifies readiness for forward motion and requires that the driver be attentive to their surroundings and ensure the vehicle is clear to proceed. Understanding this process is vital for safe driving habits and vehicle operation.