Disabling The Trac System; Disabling Both Trac And Vsc Systems; Operating Conditions Of Hill-Start Assist Control; Automatic System Cancelation Of Hill-Start Assist Control - Lexus LS500 Owner's Manual

Hide thumbs Also See for LS500:
Table of Contents

Advertisement

304
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 hybrid system to the wheels. Pressing
the
switch 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 the
The "Traction Control Turned Off" will be
shown on the multi-information display.
Press the
switch again to turn the sys-
tem back on.

Disabling both TRAC and VSC systems

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 sys-
tem back on.
*
: On vehicles with PCS (Pre-Collision
System), PCS 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.219,
226)
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 cannot be operated. Contact your
LS500h_OM_OM50F42U_(U)
switch.
switch for more
*
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 stating 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:
Shift the shift position 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 dis-
abled together with VGRS)
When the steering wheel has been held
fully to the left or right
The center position of the steering wheel
may change when VGRS is disabled. How-
ever, the position will return to normal after
VGRS is reactivated.
When the 12-volt battery is discon-
nected (vehicles with VGRS)
The steering wheel may move from its
straight forward position, but this will be
corrected automatically when driving.

Advertisement

Table of Contents
loading

Table of Contents