1997 Cadillac DeVille Owner's Manual - Page 304

How to Reset TransaxleFluid Change Indicator Your vehicle is equipped with transaxle fluid change a indicator. A CHANGE TRANSFLUID message will display on the Driver Information Center (DIC) when the powertrain computer determines that the transaxle fluid needs to bechanged or at each 100,000 miles (160 000 k ) m interval, whichever occurs first. When this message appears,change the transaxle fluid and reset the transaxle fluidlife indicator as follows: 1. Turn the ignition on butdo not start the engine. 2. Press and holdthe OFF and rear defog buttons on the climate control at the same time until the TRANS FLUID RESET messageappears on the DIC. A 50/50 mixture of water and DEX-COOL@ coolant will: Give 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 andgages work as they should. NOTICE: ~ ~~ ~ - Engine Coolant The cooling s stem in your vehicleis filled with DEX-COOL J engine coolant. This coolant is designed to remain in your vehicle for 5 years or 150,000miles (240 000 k )whichever occurs first, if you add only m DEX-COOL' extended life coolant. The following explains your cooling system and how to add coolant when is low. If youhave a problem it with engine overheating, see "Engine Overheating" in the Index. When adding coolant, it is important that you use only DEX-COOL@(silicate-free) coolant. If coolant other than DEX-COOL@ is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change soonerat 30,000 miles (50 000 km) or 24 months, whichever occurs first. Damage caused by the use of coolant other than DEX-COOL@ is not covered by your new vehicle warranty. --