2018 Lexus GS450h brake

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GS450h_QG_OM30G74U_(U)
Brake Hold
Turns the brake hold system on
The brake hold standby indicator
(green) comes on. While the system is
holding the brake, the brake hold oper-
ated indicator (yellow) comes on.
The brake hold system keeps the brake applied when the shift lever is in D, S or N with the
system on and the brake pedal has been depressed to stop the vehicle. The system
releases the brake when the accelerator pedal is depressed with the shift lever in D or S to
allow smooth start off.

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GS450h_QG_OM30G74U_(U)
■Resuming follow-up cruising when the vehicle has been stopped by system
control (vehicle-to-vehicle distance control mode)
After the vehicle ahead of you starts off,
push the lever up.
Your vehicle will also resume follow-up
cruising if the accelerator pedal is
depressed after the vehicle ahead of you
starts off.
■Canceling and resuming the speed control
Pulling the lever toward you cancels
the speed control.
The speed control is also canceled
when the brake pedal is depressed.
(When the vehicle has been stopped
by system control, depressing the
brake pedal does not cancel the set-
ting.)
Pushing the lever up resumes the
cruise control and returns vehicle
speed to the set speed.
However, when a vehicle ahead is not
detected, cruise control does not
resume when the vehicle speed is
approximately 25 mph (40 km/h) or
less.1
2

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GS450h_QG_OM30G74U_(U)
■Adjusting the set speed
Increases the speed
Decreases the speed
Fine adjustment: Momentarily move
the lever in the desired direction.
Large adjustment: Hold the lever in the
desired direction.
■Canceling and resuming the constant speed control
Pulling the lever toward you cancels
the constant speed control.
The speed setting is also canceled
when the brakes are applied.
Pushing the lever up resumes the con-
stant speed control.
Resuming is available when the vehi-
cle speed is more than approximately
25 mph (40 km/h).
1
2
1
2

What to do if...
93
GS450h_QG_OM30G74U_(U)
List of Warning/Indicator Lights
Immediately stop the vehicle in a safe place and contact your Lexus dealer. Continu-
ing to drive the vehicle may be dangerous.
(U.S.A.)
Brake system warning light
(Canada)
Immediately stop the vehicle in a safe place and contact your Lexus dealer.
Charging system warning light*1
Have the vehicle inspected by your Lexus dealer immediately.
(U.S.A.)Malfunction
indicator lamp(Flashes)
“AFS OFF” indicator*2
(Canada)
(Flashes)
Brake hold operated indicator
SRS warning light(Flashes)(U.S.A.)Parking brake
indicator
(U.S.A.)
ABS warning light(Flashes)
(Canada)
(Canada)Brake system warning light
Electric power steering
system warning light
(Blinking
and then
continu-
ously on)
Tire pressure warning light
(Flashes)
PCS (Pre-Collision System)
warning light
*2
Slip indicatorLKA warning light*2
For further information, refer to the OWNER’S MANUAL.

94
What to do if...
GS450h_QG_OM30G74U_(U)
Follow the correction procedures.
Low fuel level warning lightMaster warning light
Seat belt reminder light
(Illuminates
without
blinking)Tire pressure warning light*3
See the OWNER’S MANUAL
Turn signal indicatorVSC OFF indicator
Headlight indicator (U.S.A.)PCS warning light*2
Tail light indicator (Canada)
BSM (Blind Spot Monitor)
outside rear view mirror indi-
cators
*2
Headlight high beam indicatorBSM (Blind Spot Monitor)
indicator
*2
Automatic High Beam
indicator
*2Brake hold standby indicator
Cruise control indicatorBrake hold operated
indicator
Dynamic radar cruise control
indicator
*2Low outside temperature
indicator
Cruise control “SET” indicator“READY” indicator
LKA indicator*2EV indicator
Intuitive parking assist
indicator
*2, 4(U.S.A.)Parking brake
indicator
“AFS OFF” indicator*2(Canada)
(Flashes)
Slip indicator“AIR BAG ON/
OFF” indicator
For further information, refer to the OWNER’S MANUAL.

What to do if...
97
GS450h_QG_OM30G74U_(U)
■Starting the hybrid system
Ensure that the shift lever is in P and
depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
When the electronic key is detected,
a buzzer sounds and the power
switch will turn to ON mode.
When the smart access system with
push-button start is deactivated in
customization setting, the power
switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and
check that is shown on the
multi-information display.
Press the power switch.
In the event that the hybrid system still cannot be started, contact your Lexus dealer.
If the hybrid system doesn’t start
Make sure that the correct operating procedures have been followed.
Make sure that the brake pedal is firmly
depressed when attempting to start the
hybrid system. (→P.23)
1
2
3
4
If the electronic key battery becomes depleted, replace it with a new battery. For instruc-
tions on replacing the battery, refer to the OWNER’S MANUAL. If you need further assis-
tance, contact your Lexus dealer.
Brake pedal
If the hybrid system still does not start, see the OWNER’S MANUAL for more information
or contact your Lexus dealer.