2017 Lexus IS300h 8-2

5908-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(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 system
cannot be used temporarily due to bad weather
A buzzer also sounds.  Use the dynamic radar cruise control system when
it becomes available again.
(If equipped)
Indicates that: • The grille shutter syst em cannot operate; or
• The grille shutter is di rty or covered with ice
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in t he smart entry & start system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

5918-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
(If equipped)
Indicates that a Blind Spot Monitor sensor or the sur- rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean off the dirt, snow, ice, etc. and drive the vehi- cle with the operation conditions of the BSM func-
tion ( P. 341) satisfied for approximately 10
minutes. If the warning me ssage does not disappear, the sensor may be misaligned. Have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
(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 reactivate
the system. A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert with steering control) system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
The operation conditions of the camera sensor (tem- perature, etc.) are not met.
 When the operation conditions of the camera sen-
sor (temperature, etc.) are met, the following sys- tems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert with steering control) system
•Automatic High Beam
• RSA (Road Sign Assist)
Warning messageDetails/Actions
(Flashes)

5928-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(If equipped)
Indicates that the system is temporarily unavailable due to a malfunction in a sensor other than the camera sen-
sor
A buzzer also sounds.  Turn the LDA (Lane Departure Alert with steering
control) system off, wait for a little while, and then
turn the LDA (Lane Departure Alert with steering control) system back on.
(If equipped)
Dirt, rain, condensation, ice, snow, etc., are present on the windshield in front of the camera sensor.
The following systems will be temporarily unusable.
• PCS (Pre-Collision System) • LDA (Lane Departure Alert with steering control)
system
•Automatic High Beam • RSA (Road Sign Assist)
 Turn the system off, remove any dirt, rain, condensa-
tion, ice, snow, etc., from the windshield, and then turn the system back on.
(If equipped)
Indicates a malfunction in the PCS (Pre-Collision Sys-tem)
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
(If equipped)
Indicates a malfunction in the BSM (Blind Spot Monitor)
system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions
(Flashes)
(Flashes)

5938-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
Indicates abnormal engine oil pressure A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Indicates a malfunction in:
• The regenerative brake system; or • The electronically controlled brake system
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and contact any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
Indicates that the Pop Up Hood system has operated
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates a malfunction in the Pop Up Hood system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

5948-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
(If equipped)
Indicates that the LDA (Lane Departure Alert with steer-
ing control) system cannot be used as the vehicle speed is approximately 50 km/h (32 mph) or less
 Drive the vehicle at approximately 50 km/h (32
mph) or more.
(If equipped)
Indicates that LDA (Lane De parture Alert with steering control) system cannot be used due to the vehicle speed
being too high
 Slow down.
Indicates that the hybrid system was stopped while driv-
ing A buzzer also sounds.
 Operate the steering wheel with more force than
usual.
Indicates that the power switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened while the lights are turned on
A buzzer also sounds.
 Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the power switch off, and the driver’s door open)
A buzzer also sounds.
 Close the moon roof.
Warning messageDetails/Actions
(Flashes)
(Flashes)

5958-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
Indicates that the windows are not fully closed (with the
power 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 power switch off, and the driver’s
door open) A buzzer also sounds.
 Close all the windows and the moon roof.
Indicates a malfunction in the drive start control system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer immediately.
Warning messageDetails/Actions
(Flashes)
(Flashes)

5968-2. Steps to take in an emergency
IS300h_EE(OM53D89E)
Indicates a malfunction in the brake override system
A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
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.
Indicates that the hybrid system has overheated This message may be disp layed when driving under
severe operating conditions. (For example, when driv-
ing up a long steep hill.) A buzzer also sounds.
 Stop and check. (P. 636)
Indicates a malfunction in:
• The automatic headlight leveling system; or • The Automatic High Beam system (if equipped); or
• The LED headlight system
A buzzer also sounds.  Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable
repairer.
Warning messageDetails/Actions

5978-2. Steps to take in an emergency
8
When trouble arises
IS300h_EE(OM53D89E)
(If equipped)
Indicates a malfunction in the RSA (Road Sign Assist)
A buzzer also sounds
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that the accelerator and brake pedal are being depressed simultaneously
 Release the accelerator or brake pedal.
Indicates that the washer fluid level is low
 Add washer fluid.
Indicates that remaining fuel is approximately 10 L (2.6
gal., 2.2 Imp. gal.) or less  Refuel the vehicle.
Warning messageDetails/Actions
(Flashes)