Page 523 of 648
5238-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
Warning message and warning buzzer list
Warning messageDetails/Actions
Indicates that there is a high possibility of a frontal colli-
sion, or that the pre-collision braking function is operat-
ing
A buzzer also sounds.
→ Avoid the collision by decelerating using the brakes
or taking other evasive actions.
Indicates that the engine was stopped with the shift lever
not in P
A buzzer also sounds.
→ Shift the shift lever to P.
Indicates that the engine was stopped while driving
A buzzer also sounds.
→ Stop the vehicle in a safe place such as the shoulder
of a road.
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance control mode)
A buzzer also sounds.
→ Slow the vehicle by applying the brakes.
(Flashes)
(Flashes)
Page 527 of 648
5278-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
Indicates that the shift position was changed and drive
start control was operated wh ile depressing the acceler-
ator pedal A buzzer also sounds.
→ Momentarily release the accelerator pedal.
Indicates that the shift lever was used to attempt to shift
to the first gear position in M mode on a slippery road
surface
The gear position will not shift from the second gear.
A buzzer also sounds.
→ Drive the vehicle in the second or a higher gear
position.
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system has dete rmined that the driver does
not have their hands on the steering wheel while the
steering control function is on A buzzer also sounds.
→ Firmly hold the steering wheel.
Indicates an engine malfunction
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(IS200t)
(Flashes)
(U.S.A.) (Canada)
Page 528 of 648
5288-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
Indicates an engine malfunctionA buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates an engine malfunction
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in:
• The ABS; or
• The brake assist system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada)
Page 529 of 648
5298-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
Indicates that the engine coolant temperature is too highA buzzer also sounds.
→ P. 566
Indicates a malfunction in the vehicle’s charging system.
→Immediately stop the vehicle in a safe place and
contact your Lexus dealer. Continuing to drive the
vehicle may be dangerous.
Indicates that the radar sensor is dirty or covered with
ice
A buzzer also sounds.
→ Clean the sensor.
Warning messageDetails/Actions
(F SPORT
models)
Page 532 of 648
5328-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates abnormal engine oil pressure
A buzzer also sounds.
→ Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
Warning messageDetails/Actions
(Flashes)
Page 533 of 648
5338-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
Indicates that the automatic transmission fluid tempera-
ture is too highA buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(AWD models)
Indicates a malfunctio n in the AWD system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system cannot be used as the vehicle speed
is approximately 32 mph (50 km/h) or less
→ Drive the vehicle at approximately 32 mph
(50 km/h) or more.
Indicates that LDA (Lane Departure Alert with steering
control) system cannot be used due to the vehicle speed
being too high
→Slow down.
Indicates that the engine was stopped while driving
A buzzer also sounds.
→ Operate the steering wheel with more force than
usual.
Warning messageDetails/Actions
Page 534 of 648
5348-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned onA buzzer also sounds.
→ Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→ Close the moon roof.
Indicates that the windows are not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→ Close all the windows.
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the engine switch off, and the driver’s
door open)
A buzzer also sounds.
→ Close all the windows and the moon roof.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)
Page 535 of 648
5358-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
(IS200t)
Indicates a malfunction in the drive start control systemA buzzer also sounds.
→ Have the vehicle inspecte d by your Lexus dealer
immediately.
Indicates a malfunction in the brake override system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates that engine oil level is low
This message may ap pear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to
see if the message disappears.
→ Check the level of engine oil, and add if necessary.
Warning messageDetails/Actions