2015 Lexus GS450h cruise control

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GS450h_QG_OM30F72U_(U)
■Setting the vehicle speed (vehicle-to-vehicle distance control mode)
Press the “ON/OFF” button to activate
the cruise control.
Radar cruise control indicator will
come on.
Press the button again to deactivate
the cruise control.
Accelerate or decelerate the vehicle to
the desired speed, and push the lever
down to set the speed. “SET” indicator will be displayed.
The vehicle speed at the moment the
lever is released becomes the set
speed.1
2

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GS450h_QG_OM30F72U_(U)
■Canceling and resuming the speed control
Pulling the lever toward you cancels
the cruise control.
The setting is also canceled when the
brake pedal is depressed while driving.
(When the vehicle has been stopped
by system control, applying the brakes
does not cancel the setting.)
Pushing the lever up resumes the
cruise control and returns vehicle
speed to th e set speed.
■Selecting conventional constant speed control mode
Press the “ON/OFF” button to activate
the cruise control.
Press the button again to deactivate
the cruise control.
Switch to constant speed control
mode.
(Push the lever forward and hold for
approximately 1 second.)
Cruise control indicator will come on.
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2
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GS450h_QG_OM30F72U_(U)
LKA (Lane-Keeping Assist) (if equipped)
Lane departure warning function
If the system judges that the vehicle may deviate from its lane, it alerts the driver using
beeping, screen displays and a sensory warning
* given via the steering wheel.
*: A slight steering torque is applied for a short period of time in the direction of thecenter of the lane.
Lane keeping assist function
• This function will be active when the vehicl e-to-vehicle distance control mode of the
cruise control is set with vehicle speed above approximately 45 mph (72 km/h) and
while the lane departure wa rning function is active.
• When the lane keeping assist function is acti ve, a slight steering torque will be applied,
to help the driver maintain the vehicle inside the lane.
While driving on a freeway or motor highway that has lane markers and no sharp curves,
the system recognizes the lanes using a came ra located above the inside rear view mir-
ror as a sensor to assist the driver with st aying in the lane. The LKA system has two func-
tions.
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GS450h_QG_OM30F72U_(U)
■Turning the LKA system on
Press the “LKA” switch to activate the sys-
tem.
“LKA” indicator will come on.
Press the switch again to turn the LKA
system off.
The LKA system will revert to off each
time the power switch is turned to ON
mode.
■Indication on the multi-information display
When the LKA system is on, the lane line display and steering wheel display are shown.
Lane keeping assist function operation
indication
Steering wheel displayed:
Indicates that the function is currently
operating.
Steering wheel not displayed:
Indicates that the function is not cur-
rently operating.
Dynamic radar cruise control display
Lane departure warning function indi-
cation (when the inside of the white line
is white):
The function has recognized lane
markers.
Lane departure warning function indi-
cation (when the inside of the white line
is black):
A lane marker is not recognized by the
system, or the LKA system functions
are temporarily canceled.
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What to do if...
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GS450h_QG_OM30F72U_(U)
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”
See the OWNER’S MANUAL
Turn signal indicatorIntuitive parking assist
indicator (if equipped)
*
Headlight indicator (U.S.A.)“A F S O F F ” i n d i c a t o r
(if equipped)
Tail light indicator (Canada)
(Flashes)
Slip indicator
Headlight high beam indicatorVSC OFF indicator
Front fog light indicator
(if equipped)
(Flashes faster)
“PCS” warning light
(if equipped)
“READY” indicatorParking brake indicator
(U.S.A.)
EV indicatorParking brake indicator
(Canada)
Cruise control indicatorBrake hold standby indicator
Radar cruise control
indicator (if equipped)Brake hold operated indicator
Cruise control “SET” indicator
BSM (Blind Spot Monitor)
outside rear view mirror
indicators (if equipped)
LKA (Lane-Keeping assist)
indicator (if equipped) “A I R B A G O N /
OFF” indicator
For further information, refer to the OWNER’S MANUAL.