Lexus UX 250h 2020 Owner's Manual page 262

260
4-5. Using the driving support systems
press and hold the
than 3 seconds while the vehicle is stopped.
The VSC OFF indicator light will come on
and the "Traction Control Turned Off" will
be shown on the multi-information display.
Press the switch again to turn the sys-
tem back on.
*
: Pre-collision brake assist and pre-colli-
sion braking will also be disabled. The
PCS warning light will come on and the
message will be shown on the multi-infor-
mation display. (P.205)
When the message is displayed on the
■
multi-information display showing that
TRAC has been disabled even if the
switch has not been pressed
TRAC is temporary deactivated. If the infor-
mation continues to show, contact your
Lexus dealer.
Operating conditions of hill-start assist
■
control
When the following four conditions are met,
the hill-start assist control will operate:
● The shift lever is in a position other than P
or N (when starting off forward/back-
ward on an upward incline).
The vehicle is stopped.
●
● The accelerator pedal is not depressed.
● The parking brake is not engaged.
■ Automatic system cancelation of hill-
start assist control
The hill-start assist control will turn off in any
of the following situations:
● The shift lever is shifted to P or N.
The accelerator pedal is depressed.
●
● The parking brake is engaged.
2 seconds at maximum elapsed after the
●
brake pedal is released
Sounds and vibrations caused by the
■
ABS, brake assist, VSC, TRAC and hill-
start assist control systems
A sound may be heard from the engine
●
switch for more
*
compartment when the brake pedal is
depressed repeatedly, when the hybrid
system is started or just after the vehicle
begins to move. This sound does not indi-
cate that a malfunction has occurred in
any of these systems.
● Any of the following conditions may
occur when the above systems are oper-
ating.
None of these indicates that a malfunc-
tion has occurred.
• Vibrations may be felt through the vehicle
body and steering.
• A motor sound may be heard also after
the vehicle comes to a stop.
■ ECB operating sound
ECB operating sound may be heard in the
following cases, but it does not indicate that
a malfunction has occurred.
● Operating sound heard from the engine
compartment when the brake pedal is
operated.
● Motor sound of the brake system heard
from the front part of the vehicle when
the driver's door is opened.
Operating sound heard from the engine
●
compartment when one or two minutes
passed after the stop of the hybrid sys-
tem.
■ Active Cornering Assist operation
sounds and vibrations
When Active Cornering Assist is operated,
operation sounds and vibrations may be
generated from the brake system, but this is
not a malfunction.
■ EPS operation sound
When the steering wheel is operated, a
motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
Automatic reactivation of TRAC and
■
VSC systems
After turning the TRAC and VSC systems
off, the systems will be automatically re-
enabled in the following situations:
● When the power switch is turned off
If only the TRAC system is turned off, the
●
TRAC will turn on when vehicle speed
increases. If both the TRAC and VSC