1997 Pontiac Grand Prix Owner's Manual - Page 356

I Short TripKity Maintenance Schedule 1 0Rotate tires. See "Tire Inspection and Rotation'' in the Index for proper rotation pattern and additional information. (See footnote +.) 30,000 Miles (50000 km) 0Change engine oil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0Replace air cleaner filter. An Emission Control Service. 0Inspect fuel tank, cap and lines for damage or leaks. Inspect fuel. cap gasket for any damage. Replace parts as needed. An Emission Control Service. (See footnote t.) W For supercharged engines only: Check the supercharger oil level and add oil as needed (or every 36 months, whichever occurs first). See "Recommended Fluids and Lubricants" in this section. An Emission Control Service. (See footnote y.) 7-12 3 SERVICED BY.