If you're nervous about going 10,000 miles or more between oil changes, then do it every six months, when you probably should also have your tires rotated (also explained in your owner's manual). GM says to change your oil at least once a year even if the service indicator warning light doesn't come on.
Click on âFileâ and select âSave Asâ after youâve entered all data into the spreadsheet. Select âCSVâ under the âSave as typeâ dropdown menu. Type a name for your CSV file, then select âSave.â You have now created a CSV file, and commas will automatically be added to the file to separate each field.
Lets export the CSV: 1  Be sure the table or query is selected and click the File menu and choose âExportâ¦â. 2  The export wizard will begin. 3  Select the location for the exported data and name your file (be sure to set the file extension as .csv)  Change the Save as type: to âText Filesâ.