The Toyota group is initiating a voluntary recall of 760,000 Toyota RAV4 SUVs from the 2006 to early 2011 model years and 18,000 Lexus HS 250h hybrid sedan from the 2010 model year to repair a suspension problem that could lead to a crash.

The Japanese carmaker said that its engineers determined that if the nuts on the rear suspension are not tightened properly after a rear wheel alignment service, the suspension arms might rust and possibly even separate.

The company reported nine crashes and three minor injuries related to this problem.

“Toyota is currently developing a remedy,” the automaker said in a statement. “Once the remedy is available, we will send a notification letter by first class mail advising owners to make an appointment with an authorized Toyota or Lexus dealer to have the remedy performed at no charge.”

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