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Hello welcome to just answer I am master tech
lets try a master reset on the car. this does happen from time to time. first remove the key from the ignition.
I want you to disconnect the battery cables, then place something over the battery like a piece of card board and then make sure the battery post are not exposed.then use a wire or something to make the 2 cable ends connect.what this does is clears the internal capacitors in the system and then allows a fresh reboot.
then put the key back in the ignition and turn the key on and leave the end's connected together for 10 minutes and then after the elapsed time reconnect positive battery cable and then the negative .but make sure to remove the key before you reconnect the battery
yes I personally have seen this several times.
yes cover the post.
no shorting these ends will delete the charge in the memory and allow the system to reboot like new
im at work so I will try to reply in a timely manner ok
REMOVE THE KEY AND HOOK UP THE POSITIVE CABLE FIRST THEN THE NEGATIVE AND START THE CAR. THEN ENTER YOUR CODES.
THE SYSTEM WILL BOOT UP AND LOAD THE NAVI IN MAY TAKE A FEW MINUTES.
OK GIVE ME THE SERIAL #LET ME DOUBLE CHECK THE CODE
ok thats the same code I got.
ok lets do the reset again and let it set for 20 minutes.
I have had some stubborn ones before.
THAT SHOULD BE FINE.
IF THIS DOES NOT WORK THEN THE NAVI UNIT IN THE TRUNK MIGHT HAVE EXPIRED AND WILL NEED TO BE SERVICED.
YES IF YOU REMOVE THE NAVI UNIT IN THE TRUNK THEIR IS A STICKER BUT SINCE THIS READ FROM THE DISPLAY IT WILL READ THE INTERNAL SERIAL #
BUT AT THIS POINT ANYTHINGS WORTH A SHOT.
COST WISE TO HAVE IT SERVICED RUNS AROUND 250 +
OK THEN THE UNIT LOCKED IT SELF OUT.
NO THEY WILL TELL YOU TO GO TO THE DEALER TO DIAGNOSE IT.