Page 269 of 632
LX570_OM_OM60N01U_(U)
2694-5. Using the driving support systems
4
Driving
■Wa r n i n g m e s s a g e
If the following warning message is displayed on the multi-information display and the
LDA indicator turns off, follow the appropriate troubleshooting procedure.
If a different warning message is displayed, follow the instructions displayed on the
screen.
Wa r n i n g m e s s a g eDetails/Actions
“Lane Departure Alert
Malfunction
Visit Your Dealer ”The system may not be operating properly.
Have the vehicle inspected at your Lexus
dealer.
“Forward Camera
System
Unavailable
Clean Windshield”
Dirt, rain, condensation, ice, snow, etc., are
present on the windshield in front of the cam-
era sensor.
Turn the LDA system off, remove any dirt,
rain, condensation, ice, snow, etc., from the
windshield, and then turn the LDA system
back on.
“Forward Camera
System
Unavailable”
The LDA system is temporarily canceled due
to high temperatures around the camera sen-
sor.
Turn the LDA system off, wait for the area
around the camera sensor to cool, and
then turn the LDA system back on.
“Lane Departure Alert Unavailable”
The LDA system is temporarily canceled due
to a malfunction in a sensor other than the
camera sensor.
Turn the LDA system off and follow the
appropriate troubleshooting procedures
for warning message. Afterward, drive the
vehicle for a short time, and then turn the
LDA system back on.
“Lane Departure
Alert
Unavailable
Below Approx
32 mph”The LDA system cannot be used as the vehicle
speed is approximately 32 mph (50 km/h) or
less.
Drive the vehicle at approximately 32 mph
(50 km/h) or more.
Page 511 of 632
LX570_OM_OM60N01U_(U)
5116-3. Do-it-yourself maintenance
6
Maintenance and care
WA R N I N G
■Replacing light bulbs
●Turn off the headlights. Do not attempt to replace the bulb immediately after turning
off the headlights.
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is unavoid-
able to hold the glass portion, use and ho ld with a clean dry cloth to avoid getting
moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result
in heat damage, fire, or water entering the headlight unit. This may damage the head-
lights or cause condensation to build up on the lens.
●Do not attempt to repair or disassemble light bulbs, connectors, electric circuits or
component parts.
Doing so may result in death or se rious injury due to electric shock.
■To prevent damage or fire
●Make sure bulbs are fully seated and locked.
●Check the wattage of the bulb before installin g to prevent heat damage.
Page 525 of 632
5257-2. Steps to take in an emergency
LX570_OM_OM60N01U_(U)
7
When trouble arises
PCS warning light (if equipped)When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
Have the vehicle inspected by your Lexus dealer
immediately.When the warning light flashes (and a buzzer does not sound):
Indicates that the PCS (Pre-Collision System) is temporarily
unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty,
fogged up or covered with co ndensation, ice, stickers, etc.
Clear the dirt, fog, condensation, ice, stickers, etc. ( P. 2 4 5 )
• Radar sensor or camera sensor temperature being outside of its
operational range
Wait for a while until the area around the radar sensor or cam-
era sensor has cooled down sufficiently.
When the warning li ght is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS (Pre-
Collision System) is disabled or both are disabled.
To enable the PCS, enable both the VSC system and PCS.
( P. 254, 380)
Slip indicator
Indicates a malfunction in:
• The Multi-terrain Select;
• The Crawl Control (if equipped);
• The VSC (Vehicle Stability Control) system;
• Active TRAC (Traction Control) system;
• Trailer Sway Control; or
• The hill-start assist control system
The light will flash when any of the above systems other than the
Multi-terrain Select are operating.
Have the vehicle inspected by your Lexus dealer immediately.
Automatic headlight leveling system warning light
Indicates a malfunction in the au tomatic headlight leveling system
Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions
Page 557 of 632
5577-2. Steps to take in an emergency
LX570_OM_OM60N01U_(U)
7
When trouble arises
The coolant level is satisfactory if it is between the “F” and “L” lines on the res-
ervoir. Reservoir
“F”
“L”
Radiator cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditioning system on to check that the air
conditioning condenser cooling fans op erate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are oper ating by checking the fan sound and air flow.
If it is difficult to check th ese, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
4
1
2
3
4
5
6
7
