Which of the following actions must you take once you've parked your vehicle at the pump location?

When you park your vehicle at the pump location, it is crucial to shut off the engine before fueling. This action is essential because an operational engine can produce sparks or heat, creating a significant fire hazard when handling flammable materials like gasoline or diesel fuel. By turning off the engine, you minimize risks associated with combustion and ensure a safer fueling process.

Leaving the engine running could inadvertently lead to a fire or explosion if something goes wrong during fueling. Checking tire pressures or starting to pump fuel immediately without shutting off the engine does not address critical safety protocols established to mitigate fire risks at fueling stations. Following the proper procedure protects not only the driver but also other individuals present and the surrounding environment.