Tesla Motors announced this week that the safety rating for its Model S has been reaffirmed for the 2014 model year by the National Highway Traffic Safety Administration.

The Model S is currently being investigated by U.S. safety regulators over three battery fires that took place in a span of two months.

Tesla's flagship vehicle earned a 5-star safety rating from the NHTSA and Tesla wanted people to know that its car is still the safest vehicle available.

 "People that really want a Model S have researched it and know it's a very safe car," said Jessica Caldwell, an analyst for Edmunds.com, according to Bloomberg Businessweek. "Those same buyers are also likely to dismiss concerns about the battery."

The NHTSA opened a probe into the car last month after fires in Tennessee and Washington. The fires supposedly occurred after the vehicles hit metal debris, according to Reuters.

Tesla shares have dropped 26 percent from its previous record closing price of $193.37 back in September.

The third fire took place in Mexico but the NHTSA isn't allowed to review the incident. No injuries have been reported as a result of the three incidents.

 "While Tesla is awaiting feedback from NHTSA regarding their investigation of recent fire incidents, the German Federal Motor Transport Authority, Kraftfahrt-Bundesamt, recently concluded its review of the incidents, finding no manufacturer-related defects or need for further action," Tesla said in a statement, according to Bloomberg.

The NHTSA hasn't said yet when the review into the Model S will be finished. The vehicle was cleared by transportation regulators in Germany earlier this month. 

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