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06-08-50-009G Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery Accessory Seat Heaters or Other Comfort Enhancing Devices - (Feb 3 2012) Seats

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Subject:Information on Passenger Presence Sensing System (PPS or PSS) Concerns with CustomUpholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

#06-08-50-009G: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices - (Feb 3, 2012) Seats

Models: 2013 and Prior GM Passenger Cars and Trucks
Equipped with Passenger Presence Sensing System

This bulletin is being revised to add model years. Please discard Corporate BulletinNumber 06-08-50-009F (Section 08 – Body and Accessories).

Concerns About Safety and Alterations to the Front Passenger Seat

Important:ON A GM VEHICLE EQUIPPED WITH A PASSENGER SENSING SYSTEM, USE THE SEAT COVERS ANDOTHER SEAT-RELATED EQUIPMENT AS RELEASED BY GM FOR THAT VEHICLE. DO NOT ALTER THESEAT COVERS OR SEAT-RELATED EQUIPMENT. ANY ALTERATIONS TO SEAT COVERS OR GM ACCESSORIESDEFEATS THE INTENDED DESIGN OF THE SYSTEM. GM WILL NOT BE LIABLE FOR ANY PROBLEMSCAUSED BY USE OF SUCH IMPROPER SEAT ALTERATIONS,INCLUDING ANY WARRANTY REPAIRS INCURRED.

The front passenger seat in many GM vehicles is equipped with a passenger sensingsystem that will turn off the right front passenger's frontal airbag under certainconditions, such as when an infant or child seat is present. In some vehicles, thepassenger sensing system will also turn off the right front passenger's seat mountedside impact airbag. For the system to function properly, sensors are used in the seatto detect the presenceof a properly-seated occupant. The passenger sensing system may not operate properlyif the original seat trim is replaced (1) by non-GM covers, upholstery or trim, or(2) by GM covers, upholstery or trim designed for a different vehicle or (3) by GMcovers, upholstery or trim that has been altered by a trim shop, or (4) if any object,such as an aftermarket seat heater or a comfort enhancing pad or device is installedunder the seat fabricor between the occupant and the seat fabric.

Aftermarket Seat Heaters, Custom Upholstery, and Comfort Enhancing Pads or Devices

Important:ON A GM VEHICLE EQUIPPED WITH A PASSENGER SENSING SYSTEM, USE ONLY SEAT COVERS ANDOTHER SEAT-RELATED EQUIPMENT RELEASED AS GM ACCESSORIES FOR THAT VEHICLE. DO NOT USEANY OTHER TYPE OF SEAT COVERS OR SEAT-RELATED EQUIPMENT, OR GM ACCESSORIES RELEASEDFOR OTHER VEHICLE APPLICATIONS. GM WILL NOT BE LIABLE FOR ANY PROBLEMS CAUSED BY USEOF SUCH IMPROPER SEAT ACCESSORIES, INCLUDING ANYWARRANTY REPAIRS MADE NECESSARY BY SUCH USE.

Many types of aftermarket accessories are available to customers, upfitting shops,and dealers. Some of these devices sit on top of, or are Velcro® strapped to the seatwhile others such as seat heaters are installed under the seat fabric. Additionally,seat covers made of leather or other materials may have different padding thicknessinstalled that could prevent the Passenger Sensing System from functioning properly.Never alter thevehicle seats. Never add pads or other devices to the seat cushion, as this may interferewith the operation of the Passenger Sensing System and either prevent proper deploymentof the passenger airbag or prevent proper suppression of the passenger air bag.

GM bulletins are intended for use by professional technicians,NOT a "do-it-yourselfer".  They are written to inform thesetechnicians of conditions that may occur on some vehicles, or toprovide information that could assist in the proper service of avehicle.  Properly trained technicians have the equipment,tools, safety instructions, and know-how to do a job properly andsafely.  If a condition is described, DO NOT assume that thebulletin applies to your vehicle, or that your vehicle will havethat condition.  See your GM dealer for information on whetheryour vehicle may benefit from the information.

#06-08-50-009G: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices - (Feb 3, 2012) Seats

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