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Navigation System

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i have an IS300 2007 model it looks the same as IS250 but the engine is stronger so basically its between the 250 and 350

the problem that i have is the navigation sometime says

unable to read data.

check if map DVD is correct.


after that i got another screen after it works it just stopped working and says

unable to read DVD correctly Check if the DVD is damaged or dirty.


can anyone tell me how to fix this problem and how can i change the DVD where to put it

thanks a lot

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the saudi map needs to be ejected and original map reinserted. if the computer was from another region then that regions map need to be reinserted then put the saudi maP BAck in . it sounds like you have a european is is with the 300 engine instead of thew 350. so you need the original european map thAT CAME WITH THE COMPUTER TO MAKE THE SAUDI MAP WORK AGAIN. or maybe just a new saudi map.

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