Yep you are right

As soon as i installed the 2 rear tires and remove the rear jack stand, fire up the car the air pump filled the air bags..

Car is all good now. I'm sorry everyone, I didn't know that the car has an auto level and needs to be lowered to the ground.

Question though, is there a kit for our car to lower it on all 4 lowering springs? Reason I asked is I bought another bag and the 2 alone is already almost $400 new.