1996 Pontiac Bonneville Owner's Manual - Page 267

How to Add Fluid Engine Coolant Refer to the Maintenance Schedule to determine what The cooling system in your vehiclefilled with new is bind of tmhsaxle fluid to use. 6'Recomended See DEX-COOL(orange-colored, silicate-free) engine Fluids and Lubricants" in the Index. coolant. This coolant is designed to remain your in vehicle for5 years or 100,000 miles (166 000 km), If the fluid levelis low, add only enough of the proper whichever occurs first. fluid to bring level into the cross-hatched area the on the dipstick. The following explains your cooling system and how to add coolant when is low.If you have a problem with it P l out the dipstick. ul engine overheating, see "Engine Overheating" in Using a long-neck funnel, add enoughM d at the the Index. dipstick hole bring itto the proper level. It doesn't to A 50/50 mixture of water &d the proper coolant for take muchfluid, generally less than a pint (0.5 L). your Pontiac will: Don't overfiI2. We recommend you use only fluid labeled DEXRON*-III,, because fluid with that label e Give freezing protection down -34°F(-37°C). to is made especially for yo& automatic transax18e. e Give boiling protection up 265 O F (129 C ) . to Damage causedby fluid otherthan DEXRON'@-III 0 Protect againstrust and corrosion. is not covered your new vehiclewarranty. by 0 Help keep the proper engine temperature. After adding fluid, recheck fluid levelas the described under"How to Check." 0 Let the warning lights and gages workas they should. When the correct fluid level is obtained, push the dipstick backin all the way. O