How To Update GPS
My 2010 Lexus RX 450h has a build in GPS but its stuck in 2010 so any of the new streets or highways do not appear, how do you update it.
A lot of these integrated GPS units require a dealer tool, but some allow for DVD updates. That said, there are a few with unusual update anomalies on certain models with the GPS radio. The weirdest one I know of is the older W201/202 GPS Mercedes radio which had a map DVD in the glovebox and it had to be in there all the time to use it (flash was expensive and automotive hard drives weren’t cheap yet). They moved to a normal update method on the HD cars with update DVDs later on.
In a lot of cases, the DVDs are “dealer only”. The thing is if you have the part number for the DVD your car needs, you can get it on eBay for a lot less - it may be used, but as long as it’s readable and error free it’ll work. Some models are also known to use SD cards for map updates (Hyundai makes you buy it online and copy it to a card, but they’ll sell you a preloaded card as well), so you may need to buy the file online and install it. In some cases, you leave it in the radio as is the case with the Mazda and some Hyundai radios (Note: After so many miles, Mazda VIN locks the card).
The good news with yours is it’s a Toyota, so you can often do this with an update DVD and save the dealer labor cost. In your case with the RX450, it uses a update DVD from the dealer. You MUST use a map update that matches which radio you have - you cannot use Gen2 maps on a Gen3 radio to save money. The other issue with Toyota is they are known to release update DVDs that only work with some models like the Prius and select models beyond the Prius (limited), but you need another part number for Lexus radios.
Hope this helps you!
Simple answer : you can’t.
This model has a complicated update method, involving a special computer with a one-time license request.
Some russian guys extract the hard drive to write directly on it, but it’s hard : it is deep inside the console.
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