Lexus ES 300h Owner's Manual page 245

244
4-5. Using the driving support systems
WARNING
In some situations, while the pre-colli-
●
sion braking function is operating,
operation of the function may be can-
celed if the accelerator pedal is
depressed strongly or the steering
wheel is turned and the system deter-
mines that the driver is taking evasive
action.
If the brake pedal is being depressed,
●
the system may determine that the
driver is taking evasive action and pos-
sibly delay the operation timing of the
pre-collision braking function.
When to disable the pre-collision sys-
■
tem
In the following situations, disable the
system, as it may not operate properly,
possibly leading to an accident resulting
in death or serious injury:
● When the vehicle is being towed
● When your vehicle is towing another
vehicle
When transporting the vehicle via
●
truck, boat, train or similar means of
transportation
When the vehicle is raised on a lift with
●
the hybrid system operating and the
tires are allowed to rotate freely
● When inspecting the vehicle using a
drum tester such as a chassis
dynamometer or speedometer tester,
or when using an on vehicle wheel bal-
ancer
● When a strong impact is applied to the
front bumper or front grille, due to an
accident or other reasons
If the vehicle cannot be driven in a sta-
●
ble manner, such as when the vehicle
has been in an accident or is malfunc-
tioning
When the vehicle is driven in a sporty
●
manner or off-road
● When the tires are not properly
inflated
● When the tires are very worn
● When tires of a size other than speci-
fied are installed
When tire chains are installed
●
● When a compact spare tire or an
emergency tire puncture repair kit is
used
● If equipment (snow plow, etc.) that may
obstruct the radar sensor or front cam-
era is temporarily installed to the vehi-
cle
Changing settings of the pre-col-
lision system
Enabling/disabling the pre-colli-
■
sion system
The pre-collision system can be
enabled/disabled on
the multi-information display.
The system is automatically enabled each
time the power switch is turned to ON
mode.
If the system is disabled, the PCS warn-
ing light will turn on and a message will
be displayed on the multi-information
display.
(P.135) of