How to set height for a lift gate on Infiniti QX60 and QX70 On December 30, 2016December 26, 2016 By Q50 Kid The short video above shows you how to set height adjustments for a lift gate on the 2014 Infiniti QX60 and QX70 models. There are also useful videos provided by Infiniti that show you how use the Power Liftgate on the QX60.