CLIMATE CONTROLS 171. Keep the path under the frontseats clear of objects to helpcirculate the air inside of thevehicle more effectively.. Use of non-GM approved hooddeflectors can adversely affect theperformance of the system. Checkwith your dealer before addingequipment to the outside of thevehicle.. Do not attach any devices to theair vent slats. This restricts airflowand may cause damage to the airvents.MaintenancePassenger CompartmentAir FilterThe filter reduces dust, pollen, andother airborne irritants from outsideair that is pulled into the vehicle. Thefilter should be replaced as part ofroutine scheduled maintenance. SeeMaintenance Schedule 0 321.See your dealer regarding replacementof the filter.ServiceAll vehicles have a label underhoodthat identifies the refrigerant used inthe vehicle. The refrigerant systemshould only be serviced by trained andcertified technicians. The airconditioning evaporator should neverbe repaired or replaced by one from asalvage vehicle. It should only bereplaced by a new evaporator toensure proper and safe operation.During service, all refrigerants shouldbe reclaimed with proper equipment.Venting refrigerants directly to theatmosphere is harmful to theenvironment and may also createunsafe conditions based on inhalation,combustion, frostbite, or otherhealth-based concerns.The air conditioning system requiresperiodic maintenance. SeeMaintenance Schedule 0 321.
