Lexus 2013 IS250, Owner'S Manual

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485
8-2. Steps to take in an emergency
8
When trouble
arises
IS250_EE(OM53B11E)
Indicates that the engine coolant temperature is too
high
A buzzer also sounds.

P. 531
(If equipped)
Indicates that the radar sensor is dirty or covered
with ice
A buzzer also sounds.

Clean the sensor.
(If equipped)
Indicates that the dynamic radar cruise control sys-
tem is unable to judge vehicle-to-vehicle distance
A buzzer also sounds.

Turn off snow mode.
If the windshield wipers are on, turn them off or
set them to a mode other than AUTO or high
speed wiper operation.
(If equipped)
Indicates that the LDA (Lane Departure Alert) sys-
tem is suspended (The camera sensor temperature is
higher than the operation temperature range)
A buzzer also sounds.

Restart the LDA after driving for a while.
(If equipped)
Indicates that a Blind Spot Monitor sensor or the
surrounding area on the bumper is dirty or covered
with ice
A buzzer also sounds.

Clean the sensor and its surrounding area on the
bumper.
(If equipped)
Indicates a malfunction in:
• The cruise control system; or
• The dynamic radar cruise control system
Press the “ON/OFF” button once to deactivate the
system, and then press the button again to reacti-
vate the system.
A buzzer also sounds.

Have the vehicle inspected by any authorized
Lexus dealer or repairer, or another duly quali-
fied and equipped professional.
Warning message Details/Actions