Lexus is300 2021, Service Manual

Page: 201 / 436

201
4-5. Using the driving support systems
4
Driving
● Motorcycles traveling in the same lane
● When water or snow thrown up by the
surrounding vehicles hinders the detect-
ing of the sensor
● When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
● Preceding vehicle has an extremely high
ground clearance
■ Conditions under which the vehi-
cle-to-vehicle distance control mode
may not function correctly
In the case of the following conditions,
operate the brake pedal (or accelerator
pedal, depending on the situation) as nec-
essary.
As the sensor may not be able to correctly
detect vehicles ahead, the system may not
operate properly.
● When the road curves or when the lanes
are narrow
● When steering wheel operation or your
position in the lane is unstable
● When the vehicle ahead of you deceler-
ates suddenly
● When driving on a road surrounded by a
structure, such as in a tunnel or on a
bridge
■
Situations in which the curve speed
reduction function may not operate
properly
In situations such as the following, the curve
speed reduction function may not operate
properly:
●
When the vehicle is being driven around
a curve on an incline/decline
●
When the course of the vehicle differs
from the shape of the curve
●
When the vehicle speed is excessively
high when entering a curve
●
When the steering wheel is suddenly
operated