1997 Chevrolet Corvette Owner's Manual - Page 250

Your Corvette engine is filled at the factory with a Mobil l @ synthetic oil, which meets all requirements for your vehicle. Substitute Oil:When adding oil tomaintain engine oil level, oil meeting GM Standard GM4718M may not be available. You can add substitute oildesignated SAE 5W-30 with the "Starburst" symbol at all temperatures. If temperatures are above 0°F (- 18O C), you may substitute SAE 1OW-30 with the "Starburst" symbol. Substitute oil not meeting GM Standard GM4718M should not be used an oil change. for The system won't detect dust in the oil. So, if you drive in a dusty area, be sure to change your oil every 3,000 miles ( 5 000 k ) sooner if the CHANGE OIL m or light comes on. Remember to reset the Engine Oil Life Monitor when the oil has been changed. Formore information, see "Engine Oil LifeMonitor" in the Index. When Changing the Engine Oil There is a special procedure for changing engine oil. Contact your Chevrolet dealer for additional information or the procedure can be found in a Corvette Service Manual. To purchase a service manual, see "Serviceand Owner Publications" in the Index. Engine Oil Additives Don't addanything to your oil. Your Chevrolet dealer is ready to advise if you think something should be added. How to Reset the Engine Oil Life Monitor Press RESET to acknowledge the CHANGE OILSOON warning. The oilpage on the DIC will then show a message such as OIL LIFE 0%. To reset the monitor, press and hold RESET for two seconds. You will then receive a message such as OIL LIFE 99%. When to Change Engine Oil Your Corvette has an Engine Oil Life Monitor. This feature will let you knowwhen to change your oil and filter -- usually between 3,000 miles (5 000 km) and 10,000 miles (16 000 km) since your last oil change. Under severe conditions, the indicatormay come on before 3,000 miles (5 000 km). Never drive your vehicle or more than 10,000 miles (16 000 km) 12months (whichever occurs first) without an oil change.Use engine oil meeting the GM StandardGM4718M.