Following the company's largest ever recall, Toyota agreed to pay the $16.4 million fine levied against it by the National Highway Traffic Safety Administration, but U.S. Transportation Secretary Ray LaHood has indicated that more fines could be on the way for the Japanese automaker.

Toyot's $16.4 million fine is the largest allowed under U.S. law, but the NHTSA is continuing its investigation of the automaker, with further fines still possible. "We will continue our review of documents presented to us," LaHood said. "If a fine is required, I think everyone recognizes now that safety is our number-one priority. When we have recommendations to make, we will make them."

Toyota was handed the $16.4 million fine after the NHTSA determined the company "knowingly hid" problems related to unintended acceleration. Toyota recalled 2.3 million vehicles in the U.S. for sticky accelerator concerns in January.

The NHTSA is currently reviewing 500,000 Toyota documents to determine if the automaker withheld any additional information. No word on when the NHTSA's investigation will conclude.


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