Mine won't leak down in 6 months of storage. But yes, they will raise the front wheels off the ground. And no, I don't like that.
With my HWH system I must turn the ignition switch to accessory position, touch the HWH on button twice that will start the air dump, when the auto lever pumps start, I turn the system off, then back on with one touch of the on button. and run the jacks to the level I want in the manual mode.
2000 Newmar mountain aire 4081 DP, ISC/350 Allison 6 speed, Wrangler JL toad.