(c) Visually inspect hoses and have them replaced ifthey are cracked, swollen, or deteriorated. Inspectall pipes, fittings and clamps; replace with genuineGM parts as needed. To help ensure proper operation,a pressure test of the cooling system and pressurecap and cleaning the outside of the radiator andair conditioning condenser is recommended at leastonce a year.(d) Visually inspect wiper blades for wear or cracking.Replace wiper blades that appear worn or damagedor that streak or miss areas of the windshield.(e) Make sure the safety belt reminder light and all yourbelts, buckles, latch plates, retractors, and anchoragesare working properly. Look for any other loose ordamaged safety belt system parts. If you see anythingthat might keep a safety belt system from doing itsjob, have it repaired. Have any torn or frayed safety beltsreplaced. Also look for any opened or broken airbagcoverings, and have them repaired or replaced.The airbag system does not need regular maintenance.(f) Lubricate all key lock cylinders. Lubricate allhinges and latches, including those for the hood, rearcompartment, glove box door, and console door.More frequent lubrication may be required whenexposed to a corrosive environment. Applying siliconegrease on weatherstrips with a clean cloth will makethem last longer, seal better, and not stick or squeak.(g) If you drive regularly under dusty conditions, the filtermay require replacement more often.(h) Change automatic transaxle fluid and filter if thevehicle is mainly driven under one or more of theseconditions:− In heavy city traffic where the outside temperatureregularly reaches 90°F (32°C) or higher.− In hilly or mountainous terrain.− When doing frequent trailer towing.− Professional vehicle uses, such as limousineservice.− Uses such as high performance operation.(j) Drain, flush, and refill cooling system. This servicecan be complex; you should have your dealer performthis service. See Engine Coolant on page 5-22 forwhat to use. Inspect hoses. Clean radiator, condenser,pressure cap, and filler neck. Pressure test thecooling system and pressure cap.(k) A fluid loss in any vehicle system could indicate aproblem. Have the system inspected and repairedand the fluid level checked. Add fluid if needed.(l) Inspect throttle body bore and valve plates fordeposits. Open the throttle valve and inspect allsurfaces. Clean as required.(m) If you drive regularly under dusty conditions, inspectthe filter at each engine oil change.(n) Visually inspect belt for fraying, excessive cracks, orobvious damage. Replace belt if necessary.6-8
