The narrator was in a car accident after their friend's house where their passenger was injured. They used their sweater to wrap the cuts of their bleeding passenger until paramedics arrived. The EMT said the makeshift bandage likely prevented more blood loss. The narrator realized having a first aid kit and other essentials in their car could have better prepared them for the emergency. The document provides recommendations for components of an emergency car kit like a first aid kit, water, snacks, reflective triangles, fire extinguisher, emergency clothing, and flashlight.