Just a tip in case nobodys mentioned it before. Being having problems with the self levelling on my D2, warning light kept coming on, the bottom LH corner one for lindicating lowering the rear with a remote, turns out to be the compressor filter behind the N/S rear light cluster can suck in water leaking on to it and mine (sponge thingy)was frozen solid inside stopping the flow to the compressor and blowing the 30amp fuse. A modified filter assy has a deeper cap cover, cost about £8.
