Upon arrival at a crash scene, what is an important action to take?

Parking in highly visible locations is crucial upon arrival at a crash scene for several reasons. First, it ensures that first responders and other emergency personnel can easily locate and access the scene without confusion or obstructions. This visibility is also vital for the safety of all individuals involved, as it alerts other motorists to slow down or stop to prevent further accidents. Additionally, parking in a highly visible location allows you to create a safer perimeter around the crash site, contributing to a controlled environment where emergency services can operate effectively.

The other choices do not prioritize safety and effective response. Blocking traffic can create additional hazards and complicate the scene. Leaving emergency lights off might not adequately signal the presence of emergency personnel, potentially putting both responders and victims at greater risk. Neglecting to call for support disregards the need for assistance, which is essential in managing the aftermath of a crash.