Tire load range

okay thanks. I guess I need to add air. will do.

Thanks Mike, so I'm clear...I should inflate to the maximum pressure? This has bothered me a lot and I'd like to sort it out. (They could use language better!).  :)

NO. Let it be, that is normal. Inflate to cold air pressure, if you deflate you will deflate to HOT air pressure.

Years ago, when we were replacing the tiny tires on our pop up camper, my husband talked to a well experienced tire guy who told him that the biggest mistake people make is under inflating their tires. He said the tire manufacturers print the correct PSI on the side of their tires for a reason and that is what the tire is designed to run at for best results. Those tiny tires needed 70 lbs of pressure.  That’s the advice we have always gone with for all our tires. We have rarely felt that we didn’t get good mileage from tires since that time. 

+1 to jato. My sense is that much of the "china bomb" syndrome is inadequate focus by the owner on maintaining proper tire pressure. No one wants to acknowledge personal responsibility. much easier to blame the manufacturer instead. Not saying that's the whole story, or that manufacturing defects don't occur,  but its part of it.