2004 Saturn Ion Owner's Manual - Page 344

At Each Fuel Fill It is important to perform these underhood checks at each fuel fill. At Least Once a Month Tire Inflation Check Visually inspect your tires and make sure tires are inflated to the correct pressures. Do not forget to check your spare tire. See Tires on page 5-58 for further details. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See Engine Oil on page 5-15 for further details. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your engine oil at the proper level can cause damage to your engine not covered by your warranty. Cassette Tape Player Service Clean cassette tape player. Cleaning should be done every 50 hours of tape play. See Audio System(s) on page 3-46 for further details. Engine Coolant Level Check Check the engine coolant level and add DEX-COOL® coolant mixture if necessary. See Engine Coolant on page 5-26 for further details. Windshield Washer Fluid Level Check Check the windshield washer fluid level in the windshield washer tank and add the proper fluid if necessary. 6-10