warning light Lexus GX460 2012 User Guide

198
2-2. Instrument cluster
GX460_U.S.A. (OM60J00U)
Indicators and warning lights
The indicators and warning lights on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
Instrument cluster
Center panel (vehicles without a navigation system)

201
2-2. Instrument cluster
2
When driving
GX460_U.S.A. (OM60J00U)
*1: These lights turn on when the “ENGINE START STOP” switch is turnedto IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the engine is on, or after a few seconds.
There may be a malfunction in a system if the lights do not come on, or
turn off. Have the vehicle inspected by your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
*3: The light comes on when pre-collision braking is disabled. The lightflashes faster than usual to indica te that the system is operating.
(if equipped)
Crawl Control indicator
(→ P. 3 2 8 )AIR BAG ON/OFF
indicator ( →P. 1 3 9 )
(if equipped)
Downhill assist control
system indicator
(→ P. 3 3 2 )
(if equipped)
Intuitive parking assist
indicator ( →P. 266)
“2nd STRT” indicator
(→ P. 1 8 8 )
(if equipped)
“AFS OFF” indicator
(→ P. 223)
Low speed four-wheel
drive indicator light
(→ P. 322)“RSCA OFF” indicator
(→ P. 1 3 7 )
Center differential lock
indicator ( →P. 3 2 3 )
(if equipped)
“PCS” warning
(→ P. 3 4 3 )
*1
*1
*1
*1
*1, 3

202
2-2. Instrument cluster
GX460_U.S.A. (OM60J00U)
■Warning lights
Warning lights inform the driver of malfunctions in the indicated
vehicle’s systems. ( →P. 688, 700)
*1: These lights turn on when the “ENGINE START STOP” switch is turned
to IGNITION ON mode to indicate that a system check is being per-
formed. They will turn off after the engine is on, or after a few seconds.
There may be a malfunction in a system if a light does not come on, or if
the lights do not turn off. Have the vehicle inspected by your Lexus
dealer.
*2: The light flashes to indicate a malfunction.
(U.S.A.)(Canada)(U.S.A.)(Canada)
(U.S.A.)(Canada)(for driver)(for front
passenger)(if equipped)
(if equipped)(if equipped)(if equipped)(if equipped)
(if equipped)
*1*1*1*1*1*1
*1*1*1*1*1, 2*1
*1*2*2*2*1, 2*2*2*2
*2

203
2-2. Instrument cluster
2
When driving
GX460_U.S.A. (OM60J00U)
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS/Multi Terrain ABS and SRS warning
light not come on when you start the engine, this could mean that these systems are
not available to help protect you in an accident, which could result in death or seri-
ous injury. Have the vehicle inspected by your Lexus dealer immediately if this
occurs.

208
2-2. Instrument cluster
GX460_U.S.A. (OM60J00U)■
Electronic features control contents
●Multi-terrain Select (if equipped) ( →P. 2 9 6 )
● Intuitive parking assist (if equipped) ( →P. 266)
● AFS (Adaptive Front-lighting System) (if equipped) ( →P. 223)
● Second start mode ( →P. 188)
■ Other contents
●Multi-terrain Select display (if equipped) ( →P. 2 9 6 )
● Intuitive parking assist display
* (if equipped) ( →P. 2 6 6 )
● Crawl Control display
* (if equipped) ( →P. 328)
● Dynamic radar cruise control display
* (if equipped) (→ P. 2 5 0 )
● LDA (Lane Departure Alert) display
* (if equipped) (→ P. 275)
● Warning messages ( →P. 7 0 0 )
Automatically displayed when a malfunction occurs in one of the
vehicles systems.
● Customization
Settings (e.g.available language) can be changed.
(Customizable features →P. 7 8 2 )
*: Automatically displayed when the system is used

260
2-4. Using other driving systems
GX460_U.S.A. (OM60J00U)
■Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following situations:
●Actual vehicle speed is more than approximately 10 mph (16 km/h) below the
set vehicle speed.
At this time, the memorized set speed is not retained.
●Actual vehicle speed falls below approximately 25 mph (40 km/h).
●VSC is activated.
●The center differential lock/unlock is not completed within 5 seconds while the
dynamic radar cruise control system is on.
■Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some obstructions, such as snow, ice or plastic
objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
■Warning lights and messages for dynamic radar cruise control
Warning lights and messages are used to indicate a system malfunction or to inform
the driver of the need for caution while driving. (→P. 700)
Grille cover
Radar sensor

277
2-4. Using other driving systems
2
When driving
GX460_U.S.A. (OM60J00U)
■When the vehicle has been parked in the sun
The LDA system may not be available for a while after driving has started. In such
cases, turn the LDA system off and turn it on again after normal temperature
returns. When the temperature in the cabin decreases and the temperature around
the camera sensor becomes suitable for its operation, the functions will begin to
operate.
■Warning lights and messages for LDA
Warning lights and messages are used to indicate a system malfunction or to inform
the driver of the need for caution while driving. (→P. 700)
CAUTION
■Before using the LDA system
This system provides information to the driver in accordance with the road geome-
try and the driving conditions. Be aware of your surroundings at all times, correct
the driving path while driving appropriately and be responsible for your own safety.
This system operates by using the camera to identify lane markers when the LDA
switch is on and the vehicle is being driven at the system operating speed.
Operation may be temporarily suspended if the camera cannot recognize the lane
markers or if the system cannot operate due to the road environment or driving
conditions. Also, since an alarm may sound unnecessarily if the lane markers cannot
be correctly identified, make sure to drive responsibly even while the system is
operating.
If a malfunction occurs in the system, the driver will be alerted by a buzzer and a dis-
play, and LDA operation will be temporarily suspended. However, this does not
present a problem to normal driving.
If the alert is displayed even after restarting the engine, have your vehicle inspected
by your Lexus dealer.

341
2-4. Using other driving systems
2
When driving
GX460_U.S.A. (OM60J00U)
CAUTION
■TRAC/Active TRAC may not operate effectively when
Directional control and power may not be achievable while driving on slippery road
surfaces, even if the TRAC/Active TRAC is operating.
Do not drive the vehicle in conditions where stability and power may be lost.
■Hill- start assist control does not operate effectively when
Do not overly rely on the hill-start assist control. The hill-start assist control may not
operate effectively on steep inclines and roads covered with ice.
■When the VSC is activated
The slip indicator light flashes and a warning buzzer sounds. Always drive carefully.
Reckless driving may cause an accident. Exercise particular care when the indica-
tor light flashes and a buzzer sounds.
■When the TRAC or Active TRAC/VSC systems are turned off
Be especially careful and drive at a speed appropriate to the road conditions. As
these are the systems to ensure vehicle stability and driving force, do not turn the
TRAC or Active TRAC/VSC systems off unless necessary.
■Replacing tires
Make sure that all tires are of the same size, brand, tread pattern and total load
capacity. In addition, make sure that the tires are inflated to the recommended tire
inflation pressure level.
The ABS/Multi Terrain ABS and VSC systems will not function correctly if different
tires are installed on the vehicle.
Contact your Lexus dealer for further information when replacing tires or wheels.

343
2-4. Using other driving systems
2
When driving
GX460_U.S.A. (OM60J00U)
PCS (Pre-Collision System)∗
∗: If equipped
When the radar sensor detects that a frontal collision is highly likely or
even unavoidable, safety systems such as the brakes and seat belts are
automatically engaged to lessen impact and injuries to occupants as well as
vehicle damage.
■ Pre-collision seat belts (front seat belts only)
If the system detects that a collision is unavoidable, the system will
retract the seat belt before the collision occurs.
The same will happen if the driver makes an emergency braking or
loses control of the vehicle. ( →P. 8 7 )
However, when the VSC system is disabled, the system will not
operate in the event of skidding.
■ Pre-collision brake assist
When there is a high possibility of a frontal collision, the system
applies greater braking force in relation to how strongly the brake
pedal is depressed.
■ Pre-collision braking
When there is a high possibility of a frontal collision, the system
warns the driver using a warning light, warning display and buzzer. If
the system determines that a collision is unavoidable, the brakes are
automatically applied to reduce the collision speed. Pre-collision
braking can be disabled using the pre-collision braking off switch.

344
2-4. Using other driving systems
GX460_U.S.A. (OM60J00U)
Disabling pre-collision brakingPre-collision braking disabled
Pre-collision braking enabled
The “PCS” warning light comes on
when pre-
collision braking is dis-
abled.
■ AVS (Adaptive Variable Suspensi on System) control (if equipped)
When the system determines that there is a high possibility of a colli-
sion, the AVS optimizes the damping effect ( →P. 321)
■ Driver monitor sys tem (if equipped)
When the system determines that there is a possibility of a collision,
and the driver is not facing forward, PCS warnings are given in
advance to warn the driver. If the driver continues to be not facing
forward, and a probable collision is detected, PCS informs the
driver of danger by performing slight braking to provide a physically
warning (pre-collision alert braking). ( →P. 345)