Finally decide to disconnect battery - really bad idea. Tried a number of different ideas I found on this forum - no dice. All other functions were operational (radio, backup camera, bluetooth, maintenance information, etc), just not the navigation system. When we tried to reopen the screen door, nothing happened. After the map (original DVD, not a copy) was reinserted and the screen door closed, we got the on-screen message indicating no map DVD. It all started a couple of weeks ago, when one of my kids was trying to eject a CD and mistakenly hit the eject map button instead. I have the same problem with our 2010 HiHy Limited, 180k miles. So then after the last unsuccessful attempt, i put my foot on the brake and started the car and pressed the LOAD/Close button and !voila! the Screen/door opened and the DVD came out. I did this several times trying to time it as fast as i could, but i got no response (i want the screen door to flip down so i can get the dang DVD out). I tapped the DVD eject, the CD eject and got no response. Then i started pressing the LOAD/Close button until the screen changes to show the CD and DVD eject screen pops up. Today i went out and used the "AUX" startup (no foot on the brake, just touch the start button). First off, i shut off the car and waited till the next day as all of the jcasemore steps did not work for me right after putting the DVD into the slot. i had a slightly different set of steps but i had success. I tried the Load/Close button and had no response. Once i hit LOAD, the Screen door closed and the screen read DVD Navigation updating, with a lot of spin and whirring sounds. We have the JBL Nav system where the screen flips down to provide access to the DVD/CD slots. We have a 2009 Highlander Hybrid and i put in the wrong NAV DVD disc (not for this car). Slot will accept CD but same chatter, eject. Have put double sticky electrical tape on a hacksaw blade and can easily remove the Nav CD. Can not get display to show disc status and Nav CD status and now the (^*&^*&0 Radio does not operate to stop the CD from spinning. The door opens and closes, the load button works, but the Nav CD will not load. Have done multiple fix attemps-several battery disconnect, Radio fuse pull Beat it will an ax handle, etc. Tried to reset radio with fuse pull and restart-no go Since disconnecting the battery for 30 min-no display, and no radio. We i first started to debug this, the display panel on the touchscreen activated, although we could not get any of the functions to work. But when we stopped-we could not eject the book tapes.(the next day we found the Nav CD sticking out its hole about 1-2 inches. We continued listening to the book on take to completion. On a trip, wife accidentally ejected Nav CD. We have a 2008 Highlander-not one single problem until yesterday. So years later, is every thing still working? i think the dealer is trying to pull a fast one to make a few extra bucks. nowhere does it state that i cannot insert a non-toyota disc. dealer said that they will send unit to the manufacturer and if the find a non-toyota dvd in the unit, i will have to pay about $3000 because the warranty has been voided.i looked and read the nav manual cover to cover including the eula. dealer says he cannot access radio/nav software with the computer that they plug in to the obd2 connector. pressing the load button does not open the nav door to load a new dvd, removing the fuse and disconnecting the battery DID NOT SOLVE THE PROBLEM. Just experienced the same ssage says no dvd found. I put the hybrid disk that worked for the past 2 years in my 2007 camry hybrid. Toyota Part Numbers: 86271-GEN06-18 This DVD contains the latest (2018-2019) USA and Canada maps for Toyota Generation 6 OEM navigation systems in the models and years listed below: 4Runner: 2010-2013 Avalon: 2011-2012 Camry: 2010-2011 Camry Hybrid: 2010-2011 Highlander: 2011-2012 Highlander Hybrid: 2011-2012 Land Cruiser: 2010-2011 Prius: 2010-2011 (Non USB Gen 6 Model Only.Just purchased a 2009 HiHY with NAV. Toyota Gen 6 Navigation Latest 2018-2019 Map Update DVD U9A Version 18.1 North America (JUST Released in November 2018) I provide excellent customer support will respond to all emails promptly. Location: Pacific Palisades, California, US,
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