2011 Cadillac DTS Owner's Manual - Page 418

Every Engine Oil Change . . Change engine oil and filter. Reset oil life system. See Engine Oil on page 6 ‑ 15 and Engine Oil Life System on page 6 ‑ 19 . An Emission Control Service. Engine coolant level check. See Engine Coolant on page 6 ‑ 25 . Engine cooling system inspection. Visual inspection of hoses, pipes, fittings, and clamps and replacement, if needed. Windshield washer fluid level check. See Windshield Washer Fluid on page 6‑32. Windshield wiper blade inspection for wear, cracking, or contamination and windshield and wiper blade cleaning, if contaminated. See Windshield and Wiper Blades on page 6 ‑ 99 . Worn or damaged wiper blade replacement. See Windshield Wiper Blade Replacement on page 6 ‑ 46 . Tire inflation pressures check. See Inflation - Tire Pressure on page 6‑57. Tire wear inspection. See Tire Inspection and Rotation on page 6‑64. Rotate tires if necessary. See Tire Inspection and Rotation on page 6‑64. Fluids visual leak check (or every 12 months, whichever occurs first). A leak in any system must be repaired and the fluid level checked. Engine air cleaner filter inspection. See Engine Air Cleaner/Filter on page 6‑19. Brake system inspection (or every 12 months, whichever occurs first). Steering and suspension inspection. Visual inspection for damaged, loose, or missing parts or signs of wear. Body hinges and latches, key lock cylinders, console hinges, and glove box door hinges lubrication. See Recommended Fluids and Lubricants on page 7 ‑ 9 . More frequent lubrication may be required when the vehicle is exposed to a corrosive environment. Applying silicone grease on weatherstrips with a clean cloth makes them last longer, seal better, and not stick or squeak. Restraint system component check. See Checking the Restraint Systems on page 2‑68. Fuel system inspection for damage or leaks. Exhaust system and nearby heat shields inspection for loose or damaged components. . . . . . . . . . . . . . . 7-4