Additional Factors Affecting SystemOperationSafety belts help keep the passenger in position on theseat during vehicle maneuvers and braking, which helpsthe passenger sensing system maintain the passengerairbag status. See “Safety Belts” and “Child Restraints”in the Index for additional information about theimportance of proper restraint use.A thick layer of additional material, such as a blanketor cushion, or aftermarket equipment such as seatcovers, seat heaters, and seat massagers can affecthow well the passenger sensing system operates.We recommend that you not use seat covers or otheraftermarket equipment except when approved byGM for your specific vehicle. See Adding Equipment toYour Airbag-Equipped Vehicle on page 2‑74 for moreinformation about modifications that can affect how thesystem operates.{ WARNING:Stowing of articles under the passenger seator between the passenger seat cushion andseatback may interfere with the proper operationof the passenger sensing system.Servicing Your Airbag-EquippedVehicleAirbags affect how the vehicle should be serviced.There are parts of the airbag system in several placesaround the vehicle. Your dealer and the service manualhave information about servicing the vehicle and theairbag system. To purchase a service manual, seeService Publications Ordering Information onpage 8‑17.{ WARNING:For up to 10 seconds after the ignition is turned offand the battery is disconnected, an airbag can stillinflate during improper service. You can be injuredif you are close to an airbag when it inflates. Avoidyellow connectors. They are probably part of theairbag system. Be sure to follow proper serviceprocedures, and make sure the person performingwork for you is qualified to do so.2-73InformationProvidedby: