warning Lexus GS300h 2017 Owner's Manual

483
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the vehicle is unable to drive over 110 km/h
(65 mph) until the transmission warms up
A buzzer also sounds.
 Wait until the transmission warms up.
Indicates that the parking brake is set automatically while
the brake hold system is holding the brakes
A buzzer also sounds.
 Release the parking brake.
Indicates a malfunction in th e 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.
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.
Warning messageDetails/Actions

485
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the accelerator and brake pedals are
being depressed simultaneously, and the brake override system is operating.  Release the accelerator or brake pedal. ( P. 201)
(If equipped)
Indicates that the tire in flation pressure is low
 Check the tire inflation pressure, and adjust to the
appropriate level.
Warning messageDetails/Actions
(Flashes)

4867-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
(If equipped)
Indicates a malfunction in th e 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 warning
indicator flashes for 1 minute then illuminates, there
is a malfunction in the system. Have the vehicle
inspected by any authorized Lexus retailer or Lexus
authorized 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 the
vehicle 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 process
several 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

487
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Indicates that the outside temperature is approximately 3 C (37 F) or lower
A buzzer also sounds.
 Drive carefully, as the road may be icy.
Indicates that the engine oil is scheduled to be changed
 Check the engine oil and change if necessary. After
changing the engine oil, the oil change system
should be reset. ( P. 406)
(The indicator will not work properly unless the oil
maintenance data has been reset.)
(If equipped)
Indicates that the fuel in jectors require maintenance
soon  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner to the fuel tank and reset the mes-
sage as necessary.
Indicates that the engine oil and oil filter should be
changedHave the engine oil and oil filter checked and/or
changed by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer. After
changing the engine oil, the oil change system
should be reset. ( P. 406)
(If equipped)
Indicates that the fuel injectors require maintenance  Have any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer replenish the
injector cleaner and reset the message.
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 warning
function will be operational) Turn the VSC on. ( P. 327)
(If equipped)
Indicates that the PCS (Pre-Crash Safety system) is tem-
porarily unavailable
A 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 reliable
repairer.
Warning messageDetails/Actions
(Flashes)

489
7-2. 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 be
blocked 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.

4907-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE) *
: For the EV drive mode operating conditions ( P. 222).
Warning messageDetails/Actions
Indicates that the EV driv e mode is not available*
The reason the EV drive mode is not available (the
vehicle is idling, battery charge is low, speed is higher
than the EV drive mode operating speed range, accel-
erator pedal is depressed too much) may be dis-
played.
A buzzer also sounds.
 Use the EV drive mode when it becomes available.

491
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE) *
: For the EV drive mode operating conditions ( P. 222).
Warning messageDetails/Actions
Indicates that the EV drive mode has been automatically
canceled *
The reason the EV drive mode is not available (the
battery charge is low, speed is higher than the EV
drive mode operating speed range, accelerator pedal
is depressed too much) may be displayed.
A buzzer also sounds.
 Drive the vehicle for a while.
(Flashes)

4927-2. Steps to take in an emergency
GS450h_300h_OM_OM30F92E_(EE)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warn ing message may not be displayed even if vehicle-to-vehi-
cle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same speed or the vehicle
ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
■Open door warning message
The open door warning message continues to display until a door or the trunk is fully
closed, even if the power switch is turned off. However, approximately 20 minutes after a
door or the trunk is not fully closed, the 12-volt battery-saving function operates and the
display turns off even though a door or the trunk is not fully closed.
■Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an audio sound.

493
7-2. Steps to take in an emergency
7
When trouble arises
GS450h_300h_OM_OM30F92E_(EE)
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
Once
The electronic key is not detected
when an attempt is made to start the hybrid system.  Start the hybrid system with the
electronic key present.
Once3 times
The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the power switch
was in a mode other than off. Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the power switch was not
turned off. Turn the power switch off or
bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the power switch off when the shift
lever was in P.Turn the power switch off and
lock the doors again.
(Flashes)
(Flashes)
(Displayed alternately)
(Flashes)