1998 GMC Sonoma Owner's Manual - Page 373
1998 GMC Sonoma Manual
Page 373 highlights
Part E: Maintenance Record After the scheduled services are performed,record the date, odometer reading and who performed the service in the boxes provided after themaintenance interval. Any additional information from "Owner Checks and ~~ Services" or "Periodic Maintenance" can be added on the following record pages. Also, you should retain all maintenance receipts. Your owner information portfolio is a convenient place store them. to Maintenance Record ODOMETER READING DATE SERVICED BY MAINTENANCE PERFORMED - ~- 7-51
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