Toyota 2015 Prius Owner's Manual page 543

5-2. Steps to take in an emergency
Warning message
(Flashes
rapidly)
(If equipped)
(If equipped,
flashes)
(If equipped)
524
PRIUS_OM_OM47A17U_DVD_(U)
Details
Indicates that there is a high
possibility of a frontal collision,
or that the pre-collision braking
function is operating.
A buzzer also sounds.
At the same time,
will appear on the
head-up display (the image
flashes).
Indicates that your vehicle is
nearing the vehicle ahead (in
radar cruise mode).
A buzzer also sounds.
At the same time,
will appear on the
head-up display (the image
flashes).
Indicates that the LKA (Lane-
Keeping Assist) is suspended
• The camera sensor tempera-
ture is higher than the opera-
tion temperature range.
• The power steering system
operation is restricted.
Correction
procedure
Slow the vehicle by
applying the
brakes.
Slow the vehicle by
applying the
brakes.
Restart the LKA
after driving for a
while.