Our Land Rover Master Technician uses the iLand Diagnostic App to perform a Ride Height Calibration, a function that must be done on Range Rover Sport, LR3 and late model Land Rovers after replacement of the height sensor or the air suspension bags, to re-level the vehicle. The Wheel Center Cap that Doug uses is part # LR01156GK. iLand, advanced diagnostics for your smart phone, is the next generation diagnostic app for Land Rovers! Atlantic British Ltd. Do-It-Yourself-How-To Video. Questions about this video? Call us at 1-800-533-2210 or visit https://www.roverparts.com/diagnostic...