back door on 2004 Infiniti QX56

the back door will not stay up. when you press the remote or button in suv it does not work. I can manually lift it, but it still does not stay up.

Asked by for the 2004 Infiniti QX56
the rear hatch shocks get weak so the door wont stay open. the opening issue may be the lift motor or the rear handle switch may have failed due to water in the switch. this usually cause the rear glass to pop open when using the switch. the door should not raise up automaaticly if the glass is open,only manually . so make sure the glass is closed properly or the remote and switch wont work. this done so the glass doesnt hit something like your garage door if its in the garage and the remote button is pushed