2010 Chevrolet Colorado Extended Cab Owner's Manual - Page 405

. Body hinges and latches, key lock cylinders, and folding seat hardware lubrication. Lubricate hood safety lever pivot and prop rod pivot and tailgate latch bolt, handle assembly pivot points, and hinges. See Recommended Fluids and Lubricants on page 7‑10. More frequent lubrication may be required when 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 2‑82. Automatic transmission fluid level check and adding fluid, if needed. See Automatic Transmission Fluid on page 6‑21. Four‐wheel drive vehicles: Transfer case fluid level check and adding fluid, if needed. Engine air cleaner filter inspection. See Engine Air Cleaner/Filter on page 6‑20. Additional Required Services At Each Fuel Stop . Engine oil level check. See Engine Oil on page 6‑15. Engine coolant level check. See Engine Coolant on page 6‑28. Windshield washer fluid level check. See Windshield Washer Fluid on page 6‑36. . . . Once a Month . . Tire inflation check. See Inflation - Tire Pressure on page 6‑63. Tire wear inspection. See Tire Inspection and Rotation on page 6‑70. Starter switch check. See Owner Checks and Services on page 7‑8. Parking brake and automatic transmission P (Park) mechanism check. See Owner Checks and Services on page 7‑8. Automatic transmission shiftlock control system check. See Owner Checks and Services on page 7‑8. Ignition transmission lock check. See Owner Checks and Services on page 7‑8. 7-5 . . . Once a Year . . . .