2019 Lexus GX460 Owner's Manual / LEXUS 2019 GX460 OWNER'S MANUAL (OM60Q84U)

5297-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
(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 radar cruise control system 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) system 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 the Blind Spot Monitor sensor or the sur-
rounding area on the bumper is dirty or covered with ice
A buzzer also sounds.
 Clean the sensor and its surrounding area on the
bumper.
Indicates a malfunction in:
• The cruise control sy stem (if equipped); or
• The dynamic radar cruise co ntrol system (if equipped)
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 your Lexus dealer.
Warning messageDetails/Actions

5307-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
(If equipped)
Indicates a malfunction in the LDA (Lane Departure
Alert) systemA buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates a malfunction in the steering lock system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates a malfunction in the pre-collision system
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
The warning light may come on if the engine oil pres-
sure is too low.
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
Warning messageDetails/Actions
(Flashes)

5317-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
Indicates that the automatic transmission fluid tempera-
ture is too high A buzzer also sounds.
 Immediately stop the vehicle in a safe place, shift the
shift lever to P and wait until the warning message
and light go off. If the warning message and light go
off, you may start the vehicle again.
If the warning message and light do not go off, con-
tact your Lexus dealer.
Indicates a malfunction in the automatic transmission
system A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
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 engine oil level is low
A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The LED headlight system;
• The automatic headlight leveling system; or
• The Automatic High Beam system (if equipped)
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that the washer fluid level is low
Add washer fluid.
Warning messageDetails/Actions
(Flashes)

5327-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement”
for the maintenance interval applicable to your vehicle.
(If equipped)
Indicates that the pre-collis ion system is not currently
functional because the grille cover or the sensor is dirty
 Check the grille cover and the sensor and clean
them if they are dirty.
(If equipped)
Indicates a malfunction in the rear height control air sus-
pension
A buzzer also sounds.
 Immediately stop the vehicle in a safe place and
contact your Lexus dealer.
(U.S.A. only)
Indicates that all maintenance according to the driven
distance on the maintenance schedule
* should be per-
formed soon.
Comes on approximately 4500 miles (7200 km) after
the message has been reset.
 If necessary, perform maintenance.
(U.S.A. only)
Indicates that all maintenanc e is required to correspond
to the driven distance on the maintenance schedule*.
Comes on approximately 5000 miles (8000 km) after
the message has been reset. (The indicator will not work
properly unless the message has been reset.)
 Perform the necessary maintenance.
Please reset the message after the maintenance is
performed ( P. 451)
Warning messageDetails/Actions

5337-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
Warning messageDetails/Actions
Indicates that the Crawl Control is canceled while in use A buzzer also sounds.
 Use the Crawl Control under the proper operating
conditions. ( P. 351)
(If equipped)
Indicates that the Crawl Control is not available
 Select the four-wheel driving position switch in L4
and shift the shift lever to D or R.
(If equipped)
Indicates that the Crawl Control is not available
Confirm the operating co nditions of the Crawl
Control.
(If equipped)
Indicates that the VSC OFF switch is pressed or second
start mode is selected while the Multi-terrain Select sys-
tem is in use
 While the Multi-terrain Select system is in use, vehi-
cle stability control cannot be turned off and second
start mode cannot be activated.
(If equipped)
Indicates that the Multi-terrain Select system is canceled
while in use A buzzer also sounds.
 Use the Multi-terrain Select system under the
proper operating conditions. ( P. 329)
(If equipped)

5347-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
■Warning message in radar cruise mode (if equipped)
In the following situations, the warning message may not be displayed even if vehicle-to-
vehicle 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
■The LDA (Lane Departure Alert) lane departure warning function (if equipped)
In the following situations, th e warning message will not be displayed even if a lane line is
crossed.
●When the vehicle speed deviates from the operating range of the LDA system func-
tions
●When the lane lines cannot be recognized
■Conditions that the tire pressure wa rning system may not function properly
 P. 478
■Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.

5357-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Once 3 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 engine 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 engine switch was not
turned off.
 Turn the engine switch off.
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 engine switch off.
Turn the engine switch off and
lock the doors again.
Once
• An attempt was made to start the
engine without the electronic key
being present, or the electronic
key was not functioning normally.
• An attempt was made to drive when the regular key was not
inside the vehicle.
 Confirm that the electronic key
is inside the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)

5367-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
Con-
tinuous
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
 Shift the shift lever to P.
Con-
tinuousCon-
tinuous
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
not in P and the engine switch was
not turned off.
Shift the shift lever to P.
 Bring the electronic key back
into the vehicle.
OnceContin-
uous
• An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
• An attempt was made to lock the doors using the sm art access sys-
tem with push-button start while
the electronic key was still inside
the vehicle.
 Retrieve the electronic key
from the vehicle and lock the
doors again.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)