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Airbag Failures Prompt Auto Makers to Issue Recalls

Since their invention in the 1950s, up through development during the 1970s and finally institution as a required feature in the 1980s, airbags have become an important factor in decreasing injuries of those involved in automotive accidents. Airbags function as supplemental safety devices designed to work with seat belts to minimize injuries in vehicle accidents. In theory, airbags reduce the chance that the occupant of a vehicle's upper body or head will strike the vehicle's interior during a crash, thus decreasing the incidence of injury. Both frontal and side-impact air bags are designed to deploy in moderate to severe crashes. Sensors are the main determinant of the severity of a crash after an automobile accident. An onboard computer, called the Electronic Control Unit (ECU), processes the information and, in an event of moderate to severe crash, it sends a signal to the inflater inside the air bag module.

At that point the airbag is supposed to inflate, protecting the vehicle's occupants from serious injury as a result of striking the vehicle's interior. As a result of the effectiveness of initial driver and passenger front airbags, the adoption of rear-passenger and side-impact curtain airbags has become more common over the last decade, in an attempt to create the highest degree of safety possible. Unfortunately, as the number of airbags being placed in new cars has increased, so has the overall need for the airbags themselves.

Thus, more airbags are manufactured and the overall quality of the airbags produced has seen some degree of decline. One way this decrease in quality has become apparent is in the increasing incidence of defective airbags and airbag failure in automobiles produced both in the United States and abroad. There is a possibility that an airbag is defective or faulty in many types or brands of vehicles, which is why there are many manufacturer recalls. If there is the potential for airbag malfunction or airbag failure.

The following is a non-comprehensive list of airbag failure-related automobile recalls instituted in April through June of 2007 from the National Highway Traffic Safety Administration (NHTSA): April 2007 BMW is recalling 225 MY 2007 6-Series passenger vehicles for failing to conform to the requirements of Federal Motor Vehicle Safety Standard No. 208, 'Occupant Crash Protection. The front passenger seat has a sensing system that detects if the seat is occupied.

This sensing is programmed to detect if the seat is occupied by a small adult or certain child restraint seats. Automatic deactivation on a the passenger's front seat may occur when a child seat is placed in this front seat. In some cases, the sensing system may misinterpret a properly seated small adult as one of these specific child seats, resulting in deactivation of the front passenger airbag when the airbag might be beneficial for the adult, increasing the risk of injury in a crash. May 2007 DaimlerChrysler is recalling 270,958 MY 2005 Town and Country and Dodge Caravan minivans originally sold in or currently registered in the 27 states plus the District of Columbia that use greater amounts of salt for winter road deicing.

Brass bushings that were installed into vehicles may over time corrode causing water to enter the sensor in the up-front airbag sensor. These sensors provide enhanced air bag performance in certain types of frontal crashes. In one of these crashes, with one or both of the vehicle's UF sensors inoperative, the occupants will not benefit from the enhanced air bag protection that these sensors would provide. Hyundai de Puerto Rico is recalling 2,967 MY 2005-2007 Tucson vehicles.

Static airbag deployment testing conducted by NHTSA using fifth percentile female dummies indicated that a small stature adult driver not wearing a seat belt and involved in a frontal or near frontal crash, the deployment of the driver air bag may result in an insufficient margin of compliance as measured by the test dummy used in the NHTSA test. This can cause increased risk of injury to the driver under certain crash conditions. June 2007 DaimlerChrysler is recalling 798 MY 2007-2008 Sebring and MY 2008 Dodge Avenger vehicles. The front seat track position sensors utilized for the air bag system may not function properly. In certain vehicle crashes, front seat passengers risk of injury is increased. DaimlerChrysler is recalling 39 MY 2007 Dodge and Freightliner Sprinter 2500 and 3500 trucks.

The window airbag module diffuser material may contain hairline cracks. In the case of a crash with a trigger signal for the window airbag module, it is possible that such a diffuser may crack at the beginning of the airbag activation. As one can see from this small sampling of the defective airbag recalls that have been instituted either voluntarily by auto makers, or at the insistence of the NHTSA, there are many occasions in which one or many of the airbags installed in a vehicle will not operate as intended and therefore be a defective airbag that might cause an airbag failure in an accident.

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