Toyota 2015 Prius Owner's Manual page 544

Warning message
PRIUS_OM_OM47A17U_DVD_(U)
5-2. Steps to take in an emergency
Details
Alerts the driver that the vehi-
cle is out of the lanes (while
the LKA [Lane-Keeping Assist]
system is operating).
The warning buzzer sounds
continuously. The lane mark-
ings and/or the steering
wheel marking flash.
At the same time,
will appear on the
head-up display (the image
flashes).
Indicates that the LKA (Lane-
Keeping Assist) system
detects nohanded driving
(while the lane keeping assist
function is operating).
The warning buzzer sounds
twice.
The hybrid system has over-
heated.
This message may be dis-
played when driving under
severe operating conditions,
and the output of the hybrid
system may temporarily
decrease in order to protect
the system. (For example,
when driving up a long steep
hill or driving up a steep hill in
reverse.)
Correction
procedure
Check around the
vehicle and back to
inside of the lane
markings.
Grip the steering
wheel firmly.
Stop and check.
( P. 561)
525
5