Open The Rear Hatch; Open The Deck Board Sub-Assembly - Lexus Navigation System LS430 Installation Manual

Navigation System Installation Guide
1. Replace the navigation DVD
a. Turn the ignition switch to the "ACC" or
"ON" position.
b. Open the rear hatch.
c. Open the deck board sub-assembly.
d. Support the deck board via the supporting rod.
e. Disengage the 2 claws.
f. Remove the navigation ECU cover.
g. Press the "PUSH" button and slide it to the left.
This will open the dust cover and eject the DVD.
h. Remove and discard the old DVD.