Spot metering
Servo (continuous) auto focus
Aperture priority (f/5.6)
A shutter speed no longer than 1/500 (You have to keep an eye on it in the viewfinder, because the camera will be controlling the shutter speed)
Let the ISO float (auto)
White balance set to Auto
The 18-200 lens is a jack-of-all-trades, master-of-none lens. Many, many design compromises had to made to achieve the 11x+ zoom range.