1998 Pontiac Bonneville Owner's Manual - Page 332
1998 Pontiac Bonneville Manual
Page 332 highlights
I Short TripKity Maintenance Schedule I DATE 45,000 Miles (75000 km) 0 Change engineoil and filter (or every 3 months, whichever occurs first). An Emission Control Service. 0 Inspect air cleaner filter ifyou are driving in dusty conditions. Replace filter if necessary. An Emission ControlService. (See footnote?.) 48,000 Miles (80 000 km) 0 Change engineoil and filter (or every3 months, whichever occurs first). An Emission ControlService. 0 Lubricate chassis components (or every months, whichever occurs first). 6 (See footnote#.) Rotate tires. See "Tire Inspection and Rotation" in the Index proper for rotation pattern and additional information. (See footnote +.) (Also see footnote ++.) 50,000 Miles (83 000 km) 0 Change automatic transaxle fluid and if the vehicle is mainly driven filter under one or more these conditions: of - In heavy city traffic where the outside temperature regularly reaches 90°F (32°C) or higher. - In hilly or mountainous terrain. (Continued) DATE I 7-13