Lexus LC500 2017 Owner's Manual page 228

228
4-5. Using the driving support systems
Disabling the TRAC system
■
If the vehicle gets stuck in mud, dirt or snow,
the TRAC system may reduce power from
the engine <hybrid system> to the wheels.
Pressing to turn the system off may
make it easier for you to rock the vehicle in
order to free it.
To turn the TRAC system off, quickly press
and release
"Traction Control Turned Off" will be shown
on the multi-information display.
Press again to turn the system back
on.
■ Disabling both TRAC and VSC systems
To turn the TRAC and VSC systems off,
press and hold
onds 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 again to turn the systems back
on.
*
: Pre-collision brake assist, pre-collision
braking and steering control (performed
through cooperative control of PCS
LC500_LC500h_OM_OM11405U_(U)
.
for more than 3 sec-
*
[Pre-Collision System] and LDH) (if
equipped) will also be disabled. The pre-
collision system warning light will come
on and a message will be displayed on the
multi-information display. (→P.190)
■ When the message is displayed on the
multi-information display showing that
TRAC has been disabled even if the
has not been pressed
TRAC cannot be operated. 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.
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.
VGRS is disabled when
■
VGRS may stop operating in the following
situations.
In this event, the steering wheel may move
from its straight forward position, but it will
return when the system restarts.
When the steering wheel is operated for
●
an extended period of time while the
vehicle is stopped or is moving very
slowly
(on vehicles with LDH, DRS is disabled
together with VGRS)
● When the steering wheel has been held
fully to the left or right