1994 Chevrolet Blazer Owner's Manual - Page 323

Service Station Checks It is important for or a servicestation attendant to perform these you under-hood checks at each fuel fill. Check the engine oil level and add if necessary. Check the engine coolant level and add if necessary. Check the windshield washer fluid level and add if necessary. See the Index under these itemsfor information on how to check them. 7-17