Owner's Manual
Page 279
ENGINE COOLANT The following explains your Cadillac will: Give freezing protection down to -34 F (-37 C). The propercoolant for your cooling system how to add anything else. If you use this mixture, you ...) and one-half antifreeze that meets "GM Specification 1825-M," which won't damage aluminum parts. What to 262 F (128 C). Give boiling protection up to Use Standard Differential Use Axle Lubricant (GM Part No. 1052271) or S A E 8OW-90 GL-5 gear lubricant. If you don't need to add coolant when and it is low...
ENGINE COOLANT The following explains your Cadillac will: Give freezing protection down to -34 F (-37 C). The propercoolant for your cooling system how to add anything else. If you use this mixture, you ...) and one-half antifreeze that meets "GM Specification 1825-M," which won't damage aluminum parts. What to 262 F (128 C). Give boiling protection up to Use Standard Differential Use Axle Lubricant (GM Part No. 1052271) or S A E 8OW-90 GL-5 gear lubricant. If you don't need to add coolant when and it is low...