Toyota 2010 Prius Owner's Manual page 264

2-4. Using other driving systems
Indication on the multi-information display
While the LKA system is on, the lane line display and steering wheel
display (in case of lane keeping assist function) are shown on the
multi-information display to inform that the LKA system is on.
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Steering wheel display
The lane keeping assist function
is active.
Dynamic radar cruise control
display
Lane line display
When thin lines are shown:
ITO24P133
A lane marking is not recognized
by the system, or the LKA system
functions are temporarily can-
celed. (When the lane keeping
assist
buzzer will beep twice.)
When solid lane lines are shown:
The lane departure warning func-
tion is active.
Umar: 03214530584
function is canceled,
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