In our New Vehicle Technology for First Responder courses over the years, we have been asked numerous times about the dangers of cell phones keeping a vehicle electrical system alive after the 12 volt battery has been disconnected. The common myth we encounter is that the Supplemental Restraint System (SRS) computer will remain energized by the cell phone battery that is connected to the vehicle through the power outlet, and may cause unwanted deployment of airbags during extrication procedures.
March 5, 2012
