here is what you need to do is, get a toggle switch and hook one side to a ground and the other side to the parking brake wire on the unit.
use the switch as a brake because you have to set brake for a few seconds then release and set again but keep it on this time.
you will have to do this every time you start the car.
I would not advise doing this. to my knowledge the onlything you cannot do without the parking brake ingadged is watch a dvd, and having a dvd playing on the front screen is illegal.
now i do not know for sure, because i havent tried it, but i have heard that running the parking brake safety into the ground cable will bypass it. but like i said idk if this is true or if it could cause any damage.
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Popular Solutions for Dual Electronics XDVDN8190 GPS
the motorized scree wont open any more on my dual xdvdn8190 ive tried almost everything the unit...
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the motorized scree wont open any more on my dual xdvdn8190 ive tried almost everything the unit still works and plays but iy wont open out the lcd screen out how can i fix this thank you