1997 Pontiac Firebird Owner's Manual - Page 262

NOTICE: Use only engine oil with the American Petroleum Institute Certified For Gasoline Engines ccStarburst" symbol. Failure to use the recommended oil can result in engine damage not covered by your warranty. GM Goodwrench@oil meets allthe requirements for your vehicle. When to Change Engine Oil If any one of these is true for you, use the short tripkity maintenance schedule: a lvlost trips are less than5 to 10 miles (8 to 16 km). This isparticularly important when outside temperatures are below freezing. e Most trips include extensiveidling (such as frequent driving in stop-and-go traffic). e Most trips are through dusty areas. e You frequently tow a trailer oruse a carrier on topof If you are in anarea where the temperature falls below -20°F (-29"C), consider using either an SAE 5W-30 synthetic oil or an SAE OW-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. your vehicle. a The vehicle is used for delivery service, police, taxi or other commercial application. Engine Oil Additives Don't add anything toyour oil. Your Pontiac dealer is ready to advise if you think something should be added. Driving under these conditions causes engine oil to break down sooner. If any one of these istrue for your vehicle, then you need to change youroil and filter every 3,000 miles (5 000 km) or 3 months -- whichever occurs first. If none of them is true, use the long trip/highway maintenance schedule. Change the oil and filter every 7,500 miles (12 500 km) or 12 months -- whichever occurs first. Drivinga vehicle with a fully warmed engine under highway conditions causes engine oil to break down slower. 6-17