Lexus GS 350 Owner's Manual page 300

Turning LDA system on
Press the LDA switch to turn the LDA system on.
The LDA indicator illuminates and a message is displayed on the multi-information
display.
Press the LDA switch again to turn the LDA system off.
When the LDA system is turned on or off, operation of the LDA system continues in
the same condition the next time the engine is started.
GS350/GS300
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GS350_300_GS F_OM_OM30J17E_(GE)
4-5. Using the driving support systems
GS F
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299
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