DETROIT - Electric car maker Tesla Motors (TSLA) says it will install additional shielding to prevent roadway debris from damaging batteries and possibly causing a fire.
caused fires in two cars last year.
The National Highway Traffic Safety Administration began investigating after the fires were reported. It was unclear what impact the shields will have on the probe. Tesla says the action is not a recall.
CEO Elon Musk says the Model S already has a high level of safety. He says the shields make the car even safer.
Tesla has sold about 22,000 Model S cars in the U.S.