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4-5. Using the driving support systems
Turning off both TRAC and VSC sys-
■
tems
To turn the TRAC and VSC systems off,
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
system back on.
*
: PCS (Pre-Collision System) will also be
disabled (only Pre-Collision warning is
available). The PCS warning light will
come on and a message will be displayed
on the multi-information display.
(P.185)
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
information 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 position is in a position other
●
than P or N (when starting off for-
ward/backward on an upward incline).
The vehicle is stopped.
●
The accelerator pedal is not depressed.
●
The parking brake is not engaged.
●
switch for more
*
Automatic system cancelation of hill-
■
start assist control
The hill-start assist control will turn off in any
of the following situations:
The shift position 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
compartment when the brake pedal is
depressed repeatedly, when the engine is
started or just after the vehicle begins to
move. This sound does not indicate 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 mal-
function has occurred.
• Vibrations may be felt through the vehi-
cle 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 engine.
Active Cornering Assist operation
■
sounds and vibrations
When the Active Cornering Assist is oper-
ated, operation sounds and vibrations may
be generated from the brake system, but
this is not a malfunction.
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