Turning The Lka System On - Toyota PRIUS ALPHA 2012 Quick Reference Manual

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Turning the LKA system on

The lane departure warning function and lane keeping assist
function will be automatically activated depending on the recog-
nition condition of lane markings, vehicle speed and the setting
of radar cruise control (vehicle-to-vehicle distance control
mode).
2-4. Using other driving systems
Press the LKA switch to acti-
vate the system.
"LKA" indicator will come on.
Press the switch again to turn
the LKA system off.
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