Toyota PRIUS ALPHA 2012 Quick Reference Manual page 525

5-2. Steps to take in an emergency
Warning message
(Flashes)
(If equipped)
(Flashes)
(If equipped)
510
Indicates a malfunction in the radar cruise control sys-
tem.
A buzzer also sounds.
Press the "ON-OFF" button once to deactivate the
system, and then press the button again to reacti-
vate the system.
Indicates a malfunction in the LKA.
A buzzer also sounds.
Details