2003 Buick Regal Owner's Manual - Page 229

1. Pull out the dipstick. 2. Using a long-neck funnel, add enough fluid at the dipstick hole to bring it to the proper level. It doesn't take much fluid, generally less than one pint (0.5 L). Don't overfN. Notice: We recommend you use only fluid labeled DEXRON@-Ill, because fluid with that labelis made especially for your automatic transaxle. Damage caused by fluid other than DEXRON@-Ill is not covered by your new vehicle warranty. The following explains your cooling system and how to add coolant when it is low. If you have a problem with engine overheating or if you need to add coolant to your radiator, see Engine Overheating on page 5-27. A 50/50 mixture of clean, drinkable 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. 0 3. After adding fluid, recheck the fluid level as described under "How to Check," earlier in this section. 4. When the correct fluid level is obtained, push the dipstick back in all the way. Help keep the proper engine temperature. Let the warning lights and gages work as they should. Engine Coolant The cooling system in your vehicle is filled with DEX-COOL@engine coolant. This coolant is designed to remain in your vehicle for 5 years or 150,000 miles (240 000 km), whichever occurs first, if you add only DEX-COOL@ extendedlife coolant. Notice: When adding coolant, it is important that you use onlyDEX-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 sooner 30,000 miles -- at (50,000 km) or 24 months, whichever occurs first. Damage caused by the useof coolant other than DEX-COOL@ not covered by your new vehicle is warranty. 5-24