When you open the hood on the 5.3L engine (6.0L similar), here is what you will see:
Coolant Surge Tank and Pressure Cap. See Cooling System.
Remote Positive (+) Terminal. See Jump Starting.
Engine Oil Fill Cap. See "When to Add Engine Oil" under Engine Oil.
Automatic Transmission Dipstick. See "Checking the Fluid Level" under Automatic Transmission Fluid.
Remote Negative (-) Terminal (Out of View). See Jump Starting.
Engine Oil Dipstick (Out of View). See "Checking Engine Oil" under Engine Oil.
Engine Cooling Fan. See Cooling System.
Power Steering Fluid Reservoir. See Power Steering Fluid.
Brake Master Cylinder Reservoir. See "Brake Fluid" under Brakes.
Windshield Washer Fluid Reservoir. See "Adding Washer Fluid" under Windshield Washer Fluid.