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October 24, 2013 Service bulletin

My 2013

Lexus technical service bulletin L-TT-0121-13 for 2010-2014 Lexus ES350, 2010-2014 Lexus RX350 and 2010-2014 Lexus IS 250 and others.

Bulletin number
L-TT-0121-13
Component
Equipment: electrical: navigational system(global positioning system)
Summary
MY 2013 Gen 7 navigation systems use a USB SST to update the firmware and map. MY 2014 IS and GX models incorporate a Gen 8 navigation system that uses a USB stick to update the firmware ONLY. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.

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