From what I've read in the ESM, a Nissan tech (with the proper equipment) will have to reprogram your height sensorif your vehicle height differs from what it was with the factory 18/31's.
Lowering My 04 Armada,help!
Does Anyone Know How I Can "trick" My Auto Leveling System(rear) To Lower It Another Inch Or Two??also,what Is Available To Lower The Front A Inch.it Sits Way To High In The Back Especialy Since I Put 305/50/20s....thanks,tom 
