2007 GMC Savana Van Owner's Manual - Page 406

At the First 100, 1,000 and 6,000 Miles (160, 1 600 and 10 000 km) For vehicles with dual wheels, check dual wheel nut torque. For proper torque, see Capacities and Specifications on page 393. Engine Coolant Level Check Check the engine coolant level and add DEX-COOL® coolant mixture if necessary. See Engine Coolant on page 306 for further details. Windshield Washer Fluid Level Check Check the windshield washer fluid level in the windshield washer fluid reservoir and add the proper fluid if necessary. 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 vehicle's tires and make sure they are inflated to the correct pressures. Do not forget to check the spare tire. See Inflation - Tire Pressure on page 348. Check to make sure the spare tire is stored securely. See Changing a Flat Tire on page 360. Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. See Engine Oil (Gasoline Engine) on page 297 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. Tire Wear Inspection Tire rotation may be required for high mileage highway drivers prior to the Engine Oil Life System service notification. Check the tires for wear and, if necessary, rotate the tires. See Tire Inspection and Rotation on page 351. 406