Toyota Prius Owner's Manual page 515

Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning message turns off.
Warning message
(If equipped)
(If equipped)
(If equipped)
PRIUS_OM_OM47A19E_(EE)
Details
• Indicates that the pre-crash
safety system is not currently
functional because the grille or
the sensor is dirty.
• This message also appears
when the pre-crash safety sys-
tem is not functional due to
overheating.
Indicates that the radar cruise
control sensor is dirty or cov-
ered with ice.
Indicates that the radar cruise
control system is unable to
judge vehicle-to-vehicle dis-
tance.
5-2. Steps to take in an emergency
Correction
procedure
• Check the grille
and the sensor and
clean them if they
are dirty.
• In case of over-
heating, the system
will become func-
tional once the sys-
tem cools down.
Clean the sensor.
If the windshield
wipers are on, turn
them off or set
them to either the
intermittent or the
slow mode.
5
515