If vehicle has an ELECTRONIC SHIFT TRANSFER CASE: Transmission: "NETURAL", Transfer Case: "NETURAL" Hubs: "FREE" Note: Turn the ingition switch on. The "4WD" light & the "Low Range" lights will be off if the Transfer Case is in "N". When you shift the transfer case to "Low Range" you should get a "Low Range" light, when you shift the transfer case to 4x4 the 4WD light should come on. IF YOU CANNOT INSURE THAT THE TRANSFER CASE IS IN "N" AND ALL LIGHTS OR NOT LIGHTING, YOU MUST PLACE THE VEHICLE ON A FLATBED, OR DOLLIES, OR REMOVE THE PROPELLOR SHAFT. If vehicle has a MANUAL TRANSFER CASE: Place transmission in N & transfer case in N. Set hubs to free