1994 Pontiac Bonneville Owner's Manual - Page 208

Recommended SAE Viscosity Grade Engine Oils For best fuel economy and cold starting, select the lowest SAE viscosity grade oil for the expected temperature range. HOT WEATHER LOOK FOR ONE OF THESE LABELS fi -. FOR ~ P c As shown in the chart, SAE 1OW-30 is SAE low-30 best for your vehicle. However, you can use SAE 5W-30 if it's going to becolder 0 Energy Conserving I1 than 60°F (16°C) before your next oil Oils with these words on the container change. When it's very cold, you should will help you save fuel. use SAE 5W-30. These numbers on an oil container show its viscosity, or thickness. These three things are usually included in a doughnut shaped logo (symbol) on most Do not use other viscosity oils, such as containers. If you cannot find oils with SAE 1OW-40 or SAE 20W-50. the "starburst" symbol, you should look If you cannot find oils with the new for oils with the doughnut shaped symbol, "starburst" symbol on the front of the containing the three things noted container, you should look for and use previously. oils containing the following three things: SHor SG "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. - SAE 5W-30 C SAE 1OW-30 PREFERRED IF NEITHER SAE 5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USED AT TEMPERATURES ABOVE 40 DEGREES F (4 DEGREES C). DO NOT USE SAE 1OW-40, SAE 2OW-50 OR ANOTHER GRADE OIL NOT RECOMMENDED. 207.