By Jim Donovan: Toyota and Lexus have announced two separate safety recalls involving approximately 1 million Corolla, Matrix & Lexus IS vehicles.

The first recall involves 752,000 Corolla and Matrix models made between December 2001 and May 2004. The air bags in these vehicles can improperly inflate.

The second recall involves problem wipers on three kinds of Lexus IS models manufactured from May 2005 to October 2011. On approximately 270,000 vehicles the wiper arm nut might not be sufficiently tight. If a buildup of heavy snow occurs on the windshield, one or both of the wipers could become inoperative.

Owners of vehicles covered by these safety recalls will receive an owner notification letter via first class mail in the near future. Any authorized Toyota or Lexus dealer will perform this recall at no charge to the vehicle owner.

Detailed information is available to customers at www.toyota.com/recall and the Toyota Customer Experience Center at 1-800-331-4331 or www.lexus.com/recall and Lexus Customer Satisfaction (1 800-255-3987)