2011 Chevrolet Impala Owner's Manual - Page 350

11-4 . Service and Maintenance Once a Month . . Fuel system inspection for damage or leaks. Exhaust system and nearby heat shields inspection for loose or damaged components. . Tire inflation pressures check. See Tire Pressure on page 10‑49. Tire wear inspection. See Tire Inspection on page 10‑56. Sunroof track and seal inspection, if equipped. See Sunroof on page 2‑18. See Starter Switch Check on page 10‑29. See Automatic Transmission Shift Lock Control Function Check on page 10‑30. See Ignition Transmission Lock Check on page 10‑30. See Park Brake and P (Park) Mechanism Check on page 10‑30. Accelerator pedal check for damage, high effort, or binding. Replace if needed. Throttle system inspection for interference, binding or for damaged or missing parts. Replace parts as needed. Replace any components that have high effort or excessive wear. Do not lubricate accelerator or cruise control cables. Underbody flushing service. Hood/Decklid/Liftgate/Liftglass Support Gas Strut Service: Visually inspect gas strut, if equipped, for signs of wear, cracks, or other damage. Check the hold open ability of the gas strut. Contact your dealer if service is required. . . Additional Required Services Every 12 000 km/7,500 Miles . . Rotate tires. Tires should be rotated every 12 000 km/ 7,500 miles. See Tire Rotation on page 10‑56. Engine oil level check. See Engine Oil on page 10‑7. Engine coolant level check. See Engine Coolant on page 10‑17. Windshield washer fluid level check. See Washer Fluid on page 10‑25. Once a Year ... At Each Fuel Stop . . . . . .