1996 GMC Sonoma Owner's Manual - Page 339

Part B: Owner Checks a 1 Services Listed below are owner checks and services which should be performed at the intervals specified to help ensure the safety, dependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once. Whenever any fluids or lubricants are added to your vehicle, make sure they are the proper ones, as shown in Part D. Engine Coolant Level Check Check the engine coolantlevel and add the proper coolant mix if necessary. See "Engine Coolant" in the Index for furtherdetails. Windshield Washer Fluid Level Check Check the windshield washer fluid leire1 in the windshield washer tank and add the proper fluid if necessary. See "Windshield Washer Fluid" in the Index for further details. At Each Fuel Fill At Least Oncea Month Tire Inflation Check Make S L I tires are inflated to the correct pressures. See ~ ~ "Tires" in the Index for further details. Cassette Deck Service Clean cassette deck. Cleaning should be done every SO hours of tape play. See "Audio Systems" in the Index for further details. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See "Engine Oil'?in the Index for further details. 7-47