Lexus 2013 IS250 Owner's Manual page 504

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Warning message
(If equipped)
(Flashes)
(If equipped)
(If equipped)
Warning messages
The warning message illustrations used are intended as examples, and may differ
from the image that is actually displayed on the multi-information display.
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, the 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
functions
When the lane lines cannot be recognized
IS250_EE(OM53B11E)
8-2. Steps to take in an emergency
Details/Actions
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-crash brake
system operation is stopped
 Turn the VSC on. (P. 272)
Indicates that the PCS (Pre-Crash Safety 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.
Indicates that operation of large electricity consum-
ing systems such as the air conditioning system are
suspended
 Stop using unnecessary electric components to
reduce electricity consumption. Wait a while
until the electric power supply is restored.
Indicates that the LDA (Lane Departure Alert) sys-
tem cannot be used because the vehicle speed is
lower than approximately 50 km/h (32 mph)
 Drive the vehicle at 50 km/h (32 mph) or higher.
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