display Lexus GS450h 2017 Owner's Manual

4667-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
If a warning message is displayed
Master warning light
The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multi-information display.
Multi-information display
If any of the warning light comes on again after the following actions have been
performed, contact any authorized Lexus retailer or Lexus authorized repairer,
or any reliable repairer.
If a warning is shown on the multi-information display, stay calm and perform
the following actions:
Except F SPORT modelsF SPORT models
Warning message and warning buzzer list
1
2
Warning messageDetails/Actions
(If equipped)
Indicates that there is a high possibility of a frontal colli-
sion, or that the pre-crash braking function is operating
At the same time, will appear on the head-
up display.
A buzzer also sounds.  Avoid the collision by decelerating using the brakes or taking other evasive actions.

4677-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance control mode)
At the same time, will appear on the head-up dis-
play (the image flashes). A buzzer also sounds.
 Slow the vehicle by applying the brakes.
(If equipped)
Indicates that the vehicle has deviated from the lane (while the LKA [Lane-Keeping Assist] system is operat-ing)
The lane line on the side the vehicle has deviated from flashes in amber.
At the same time, will appear on the head-
up display (the image flashes).
A buzzer also sounds.
 Check around the vehicle and back to inside of the lane lines.
Indicates a malfunctio n in the brake system A buzzer also sounds.
 Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer. Continuing to drive the vehicle may be dangerous.
Warning messageDetails/Actions
(Flashes)

4717-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the hybrid battery (traction battery) power has dropped because a long period of time has elapsedafter shifting the shift lever to N
A buzzer also sounds.  Restart the hybrid system when starting the vehicle.
Indicates a malfunction in the hybrid system Depending on the malfunctio n, troubleshooting meth-
ods may also be displayed. 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 traction battery is low
A buzzer also sounds.  When stopping the vehicle for a long period of time, shift the shift lever to P. The battery cannot be
charged with the shift lever in N.
Indicates a malfunction in the EPS (Electric Power Steer-
ing) 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)

4727-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the vehicle is being driven at 5 km/h
(3 mph) or more with the parking brake still engaged. A buzzer also sounds. Release the parking brake.
Indicates that the parking brake is engaged with the shift position not in PA buzzer also sounds.
 Change the shift position to P.
Indicates a malfunction in the brake hold system A buzzer also sounds. Depress the brake pedal to turn off the brake hold
system. Have the vehicle inspected by any authorized Lexusretailer or Lexus authorized repairer, or any reliable
repairer.
Indicates that the brake hold system is turned on while on
a steep slope A buzzer also sounds. Do not use only the brake hold system on steep
slopes. Be sure to also depress the brake pedal.
Indicates a malfunction in the parking brake system
A buzzer also sounds.  Press the parking brake switch. If the warning mes- sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes) (Flashes)

4807-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the DRS (Dynamic Rear
Steering) 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 electronically controlledbrake 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. Con- tinuing to drive in this condition is dangerous.
Indicates an attempt was made to engage the parkingbrake while driving
A buzzer also sounds.  Press the parking brake switch. If the warning mes- sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Indicates a malfunction in the parking brake system
A buzzer also sounds.  Press the parking brake switch. If the warning mes- sage is still displayed, have the vehicle inspected by
any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
(If equipped)
Indicates that LKA (Lane-Keeping Assist) system cannotbe used due to the vehicle speed being too high Slow down.
Warning messageDetails/Actions

4827-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the brake hold system cannot be turned off A buzzer also sounds.
 Depress the brake pedal.
Indicates that the brake hold system is not available
The reason the brake hold system is not available may be displayed.A buzzer also sounds.
 Close the driver’s door.  Fasten the driver’s seat belt.
Indicates that the brake hold system is unable to con- tinue brake hold function
The reason the brake hold system is not continue may be displayed.A buzzer also sounds.
 Depress the brake pedal.  Close the driver’s door.  Fasten the driver’s seat belt.
Warning messageDetails/Actions

4847-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
Indicates that engine oil level is low This message may appear if the vehicle is stopped on a
slope. Move the vehicle to a level surface and check to see if the message disappears.A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates that the hybrid system has overheated This message may be displayed when driving under
severe operating conditions. (For example, when driv- ing up a long steep hill.)A buzzer also sounds.
 Stop and check. (P. 535)
Indicates a malfunction in: • The AHS (Adaptive High-beam System) (ifequipped);
• The Automatic High Beam (if equipped); • The AFS (Adaptive Front-lighting System) (ifequipped); 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.
(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.
Warning messageDetails/Actions

4867-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in the tire pressure warning sys- tem
 Stop the vehicle in a safe place and turn the power switch off then on again. If the tire pressure warningindicator flashes for 1 minute then illuminates, there
is a malfunction in the system. Have the vehicle inspected by any authorized Lexus retailer or Lexusauthorized repairer, or any reliable repairer.
(If equipped)
Indicates that the tire position information cannot be rec-ognized
 Drive for a short while and check if the display updates.If the radio wave conditio ns improve, the display
may return to normal. If the tire pressure is still not displayed after driving for several minutes, stop thevehicle in a safe place, turn the power switch off
then on again, and start driving. If the tire pressure is still not displayed even after repeating this processseveral times, have the vehicle inspected by any
authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
Indicates that the washer fluid level is low
 Add washer fluid.
Indicates that remaining fuel is approximately 9.9 L
(2.6 gal., 2.2 Imp.gal.) or less  Refuel the vehicle.
Warning messageDetails/Actions

4887-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates that the Automatic High Beam switch was pressed while the low beams were on Turn the high beam headlights on before pressing
the Automatic High Beam switch.
(If equipped)
Indicates that the Adaptive High-beam System switch was pressed while th e low beams were on  Turn the high beam headlights on before pressing
the Adaptive High-beam System switch.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-crash braking and pre- crash brake assist are stopped (The pre-crash warningfunction will be operational)
 Turn the VSC on. (P. 327)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem- porarily unavailableA buzzer also sounds.
 When conditions improve, the system resumes operation. If this item is displayed continuously, have
the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliablerepairer.
Warning messageDetails/Actions
(Flashes)

4897-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Carrying out the corresponding action turns the messages off.
Air conditioning, heater and other operations are tem- porarily limited due to high power consumption
 Turn off unnecessary electronic equipment to reduce power consumption.Please wait until the power supply returns to nor-
mal. If this item is frequently displayed, have the vehicle inspected by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer imme- diately.
(If equipped)
Indicates that part of the PC S (Pre-Crash Safety system) sensor is dirty, covered with ice, etc.
A buzzer also sounds.  Remove any dirt, ice, etc.
Other displayed messages
Warning messageDetails/Actions
(Flashes)
(Flashes)
Warning messageDetails/Actions
Maintenance of the hybrid battery (traction battery)
cooling component is required The filter may be clogged, the air intake vent may beblocked or there may be a gap in the duct.
 Have maintenance performed on the hybrid battery (traction battery) cooling component at any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer.