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.
A .csv file is actually simple in structure; as the name suggests, it consists of data separated by commas. Because of this, it's a good idea to not include any commas in files intended to be exported to .csv, because this will mess with the file structure.