Operation Tips• Clear away any ice, snow or leaves from theair inlets at the base of the windshield thatmay block the flow of air into your vehicle.• Use of non-GM approved hood deflectors mayadversely affect the performance of thesystem.• Keep the path under the front seats clear ofobjects to help circulate the air inside ofyour vehicle more effectively.Passenger Compartment Air FilterThe passenger compartment air filter traps most ofthe pollen from the air entering your vehicle.Like your vehicle’s engine air cleaner/filter, it needsto be changed periodically. See ScheduledMaintenance on page 463.Using the climate control system without thepassenger air filter installed may allow water orother debris to enter the system. This could causea water leak or noises. Make sure to install anew air filter after removing the old one.The passenger compartment air filter is locatedunderneath the hood below the windshieldwiper arm on the passenger’s side of the vehicle.See Engine Compartment Overview on page 342for more information on location.Use the procedure listed below to replace thepassenger compartment air filter:1. Turn the ignition to ON with the engine off.2. Turn on the windshield wipers and turn themoff again when the wipers are straight on thewindshield.This allows you access to the leaf screen. Thepassenger compartment air filter is locatedunder the leaf screen.186
