1994 Buick LeSabre Owner's Manual - Page 225

~ ~~ ~~ RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST SAE VISCOSITY GRADE 011 FOR THE EXPECTED TEMPERATURE RANGE. HOT WEATHER "F b100 LOOK FOR ONE OF THESE LABELS As shown in the chart, SAE 1OW-30 is best for your vehicle. However, you can use SAE 5W-30 if it's going to be colder than 60 "F (16 C ) before your next oil change. When it's very cold, you should use SAE 5W-30. These numbers on an oil container show its viscosity, or thickness. Do not use other viscosity oils, such as SAE 1OW-40 or SAE 20W-50. O - If you cannot find oils with the new "starburst" symbol on the front of the container, you should look for and use oils containingthe following three things: 0 +80 +60 +40 SAE 1OW-30 above 0°F SH or SG t20 - 0 - SAE 5W-30 "SH" or "SG" must be on the oil container, either by itself or combined with other quality designations, such as "SH/CD," "SH,SG,CD," "SG/CD," etc. These letters show American Petroleum Institute (API) levels of quality. a SAE 1OW-30 a Energy Conserving I1 Oils with these words on the container will help you save fuel. w , I COLD WEATHER IF NEITHER SAE 5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USE0 AT TEMPERATURES ABOVE 40 DEGREES F (4 DEGREES C). DO NOT USE SAE 1OW-40, SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED 223