Tesla Motors had gone ahead and installed titanium shielding on new cars and will install existing ones whenever customers take them in. This decision came as a result of National Highway Traffic Safety Administration investigation regarding their vehicle's safety defect after two cars caught on fire. As of now, the results of the investigation has not been shown. Elon Musk believes that underbody shields are not required for high level of safety. However, if it is something that will that will relief public misunderstanding regarding electric vehicle safety, then it will be done. He also claims that in the 2 previous cases last year where both cars were destroyed by flames in an accident, neither drivers were injured.