82 Seats and RestraintsAdding Equipment to theAirbag-Equipped VehicleAdding accessories that change thevehicle's frame, bumper system,height, front end, or side sheetmetal, may keep the airbag systemfrom working properly. Theoperation of the airbag system canalso be affected by changing ormoving any parts of the front seats,safety belts, the airbag sensing anddiagnostic module, steering wheel,instrument panel, any of the airbagmodules, ceiling headliner or pillargarnish trim, overhead console,front sensors, side impact sensors,or airbag wiring.Your dealer and the service manualhave information about the locationof the airbag sensors, sensing anddiagnostic module, and airbagwiring.In addition, the vehicle has apassenger sensing system for thefront outboard passenger position,which includes sensors that are partof the passenger seat. Thepassenger sensing system may notoperate properly if the original seattrim is replaced with non-GMcovers, upholstery, or trim; or withGM covers, upholstery, or trimdesigned for a different vehicle. Anyobject, such as an aftermarket seatheater or a comfort-enhancing pador device, installed under or on topof the seat fabric, could alsointerfere with the operation of thepassenger sensing system. Thiscould either prevent properdeployment of the passengerairbag(s) or prevent the passengersensing system from properlyturning off the passenger airbag(s).See Passenger Sensing System0 77.If the vehicle has rollover roof-railairbags, see Different Size Tiresand Wheels 0 302 for additionalimportant information.If you have to modify your vehiclebecause you have a disability andyou have questions about whetherthe modifications will affect thevehicle's airbag system, or if youhave questions about whether theairbag system will be affected if thevehicle is modified for any otherreason, see your dealer.Airbag System CheckThe airbag system does not needregularly scheduled maintenance orreplacement. Make sure the airbagreadiness light is working. SeeAirbag Readiness Light 0 119.CautionIf an airbag covering is damaged,opened, or broken, the airbagmay not work properly. Do notopen or break the airbagcoverings. If there are anyopened or broken airbagcoverings, have the airbagcovering and/or airbag modulereplaced. For the location of theairbags, see Where Are theAirbags? 0 73. See your dealerfor service.
