"Baby on Board" signs have been a common sight in vehicles for years, with many believing that these yellow signs were meant to alert paramedics to the presence of a child in the event of an accident.

The Baby On Board sign soon became part of Lerner's Safety 1st brand, a brand he started to market child safety devices like soft corners for tables, child locks for cabinets, and the like.

"Baby on Board" signs have been a common sight in vehicles for years, with many believing that these yellow signs were meant to alert paramedics to the presence of a child in the event of an accident.