Toyota's recall for driver-side air bags is the latest in the widening safety problems related to Takata Corp. Air bags. Toyota's recall involves three models: Vitz, Yaris and RAV4 vehicles made in 2002 and 2003.
Daihatsu Motor Co said it's also recalling more than 27,000 Mira compact models in Japan for the same air bag problem linked to an inflator.
Takata air bags can inflate with excessive force, sending metal shrapnel toward the driver and passengers.
The rupture occurred on the passenger side of the now discontinued Will Cypha, company spokeswoman Kayo Doi said. That air bag problem is not part of the ongoing recalls, and Toyota will add the new case to the company's investigation, she said.
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There were broken metal fragments found but nobody was injured at the site, according to Masato Sahashi, a ministry official in charge of recalls. He said the cause of the rupture is still under investigation.
Millions of cars have been recalled worldwide. About 2.61 million have been recalled in Japan so far, but only about half of them had been taken care of. There were four cases of ruptures in Japan but none involved injuries.