Navigation system
Lexus first introduced its factory-installed navigation systems in 1998 on the LS 400, GS 300 and GS 400 models. To update the maps on the Lexus navigation systems, you will need to obtain the most recent software maps from your local Lexus dealer. The current version of the navigation maps and their product codes can be found online at http://secure.drivers.lexus.com/lexusdrivers/home.
Instructions
1. Navigate your web browser to http://secure.drivers.lexus.com/lexusdrivers/home.
2. Roll your cursor over My Lexus.
3. Click Vehicle Resources.
4. Click Navigation Maps.
5. Note the product number found in the Current Software Map Update column for your model and year.
6. Contact the parts department of your local Lexus Dealer with the part number for pricing and ordering details.
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