(c) Visually inspect hoses and have them replacedif they are cracked, swollen, or deteriorated.Inspect all pipes, fittings and clamps; replace withgenuine GM parts as needed. To help ensureproper operation, a pressure test of the coolingsystem and pressure cap and cleaning the outsideof the radiator and air conditioning condenser isrecommended at least once a year.(d) Visually inspect wiper blades for wear orcracking. Replace wiper blades that appear wornor damaged or that streak or miss areas ofthe windshield.(e) Make sure the safety belt reminder light and allyour belts, buckles, latch plates, retractors, andanchorages are working properly. Look forany other loose or damaged safety belt systemparts. If you see anything that might keep a safetybelt system from doing its job, have it repaired.Have any torn or frayed safety belts replaced. Alsolook for any opened or broken airbag coverings,and have them repaired or replaced. Theairbag system does not need regular maintenance.(f) Lubricate all key lock cylinders. Lubricate allhinges and latches, including those for the hood,rear compartment, glove box door, and consoledoor. More frequent lubrication may be requiredwhen exposed to a corrosive environment.Applying silicone grease on weatherstrips with aclean cloth will make them last longer, seal better,and not stick or squeak.(g) If you drive regularly under dusty conditions,the filter may require replacement more often.(h) Change automatic transaxle fluid and filter if thevehicle is mainly driven under one or more ofthese conditions:− In heavy city traffic where the outsidetemperature regularly reaches 90°F (32°C) orhigher.− In hilly or mountainous terrain.− When doing frequent trailer towing.− Professional vehicle uses, such as limousineservice.− Uses such as high performance operation.462