What is the first thing you do before driving into a trailer with a forklift?

Before driving into a trailer with a forklift, the first thing to do is to conduct a thorough inspection of the trailer and the forklift. Ensure the trailer is stable and securely positioned, and check for any hazards or obstructions inside the trailer. Additionally, verify that the load is properly secured and balanced before proceeding. Safety protocols, such as wearing appropriate personal protective equipment, should also be followed.