Notice: We recommend you use only fluid labeledDEXRON® -III, because fluid with that label ismade especially for your automatic transmission.Damage caused by fluid other than DEXRON ® -III isnot covered by your new vehicle warranty.Change both the fluid and filter every 50,000 miles(80 000 km) if the vehicle is mainly driven under one ofthese conditions:• In heavy city traffic where the outside temperatureregularly reaches 90°F (32°C) or higher.• In hilly or mountainous terrain.• High performance operation.If you do not use your vehicle under one of theseconditions, change the fluid and filter every100,000 miles (166 000 km).SeeScheduled Maintenance on page 6-4 for the properservice intervals for the transmission fluid and filter.Engine CoolantThe cooling system in your vehicle is filled withDEX-COOL® engine coolant. This coolant is designedto remain in your vehicle for 5 years or 150,000 miles(240 000 km), whichever occurs first, if you addonly DEX-COOL® extended life coolant.The following explains your cooling system and how toadd coolant when it is low. If you have a problemwith engine overheating, seeEngine Overheating onpage 5-23.A 50/50 mixture of clean, drinkable water andDEX-COOL® coolant will:• Giving freezing protection down to −34° F −37° C.• Give boiling protection up to 265° F (129° C).• Protect against rust and corrosion.• Help keep the proper engine temperature.• Let the warning lights and gages work as theyshould.Notice: Using coolant other than DEX-COOL® maycause premature engine, heater core or radiatorcorrosion. In addition, the engine coolant mayrequire changing sooner, at 30,000 miles (50 000 km)or 24 months, whichever occurs first. Any repairswould not be covered by your warranty. Always useDEX-COOL® (silicate-free) coolant in your vehicle.5-20
