2018 Lexus GX460 Owner's Manual / LEXUS 2018 GX460 OWNER'S MANUAL (OM60Q09U)

5297-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(U)
7
When trouble arises
Warning message and warning buzzer list
Warning messageDetails/Actions
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision; or
• The pre-collision braking function is operating A buzzer also sounds.
→ Slow the vehicle by applying the brakes.
(If equipped)
Indicates that your vehicle is nearing the vehicle ahead
(in vehicle-to-vehicle distance mode)
A buzzer also sounds.
→ Slow the vehicle by applying the brakes.
(If equipped)
Alerts the driver that the vehicle is about to or actually
deviates from the lane (while the LDA [Lane Departure
Alert] system is operating)
The lane line flashes.
The warning buzzer sounds continuously.
→ Check around the vehicle and back to inside of the
lane lines.
(Flashes rapidly)

5307-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(U)
Indicates that one or more of the doors is not fully closedThe system also indicates which doors are not fully
closed.
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate that
the door(s) are not yet fully closed.
→ Make sure that all the doors are closed.
Indicates that the glass hatch is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate that
the glass hatch is not yet fully closed.
→ Close the glass hatch.
(If equipped)
Indicates a malfunction in the Intuitive parking assist
All assist-sensors flash.
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
(If equipped)
Indicates that a intuitive parking assist is dirty or covered
with ice
A buzzer also sounds.
→ Clean the sensor.
Indicates that the vehicle is being driven at 3 mph (5
km/h) or more with the pa rking brake still engaged
A buzzer also sounds.
→ Release the parking brake.
Warning messageDetails/Actions
(U.S.A.) (Canada)(Flashes)

5317-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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

5327-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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)

5337-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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)

5347-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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. 453)
Warning messageDetails/Actions

5357-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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. 347)
(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. 325)
(If equipped)

5367-2. Steps to take in an emergency
GX460_OM_OM60Q09U_(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. 480
■Warning buzzer
In some cases, the buzzer ma y not be heard due to being in a noisy location or audio
sound.