Lexus GX 460 2020 Owner's Manual page 242

Turning LDA system on
Press the LDA switch to turn the LDA
system on.
The LDA indicator illuminates.
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 contin-
ues in the same condition the next time
the engine is started.
GX460_OM_OM60R28E_(GE)
4-5. Using the driving support systems
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