hi all
i have recently rx400 and bring it to dubai where i live , this rx is american specification, i try to upgrade my navegation so i enter the over ride screen and by mistake i press option i dont what it mean so the display restart and ask me to insert the correct map cd and nothing concern the navegation work then.
so i try to make reset for the screen ,i enter the prduct service by press info and switch the light on and off for 6 times , then an option is appear to change the model so i change it and the screen again make restart , but this time nothing is work , all the bottom is diable and the condtion is stop and other system connectd to display, the massage insert correct cd map still apear and this time i connot enter any option. so for that i diassymble the display and disconnect the internal battary to make rest for it
and that make it more worse a new massage appear check system.
iam sure that my problem is software but i cannot solve it , the dealer refuse to fix it coz its american specification and dont have the desire part for it
so if any one can help me and have idea to solve it
also i try to disconnect main battary without any result
looking to hear from you
